Complete Compendium of Qi Men Dun Jia · General Preface

Holistic Paraphrase

The origins of Qi Men Dun Jia can be traced back to the time when the Yellow Emperor fought Chi You at Zhuolu. According to legend, the Yellow Emperor dreamed that a celestial deity bestowed upon him talismanic formulas, whereupon he ordered Feng Hou to deduce the Qi Men — this marked the beginning of the Dun Jia art. Emperor Yao commanded Yu the Great to control the floods, and Yu received charts and texts from the Dark Maiden (Xuan Nü), and further arranged the Nine Categories according to the book borne by the Luo turtle, whereby Dun Jia was codified into canonical statutes. In the early Han dynasty, Zhang Liang consolidated the system into eighteen patterns, aiding Liu Bang in achieving decisive victory; in the Shu Han period, Kongming (Zhuge Liang) classified the Three Wonders, assisting Liu Bei in establishing his arduous enterprise. ⛰️

First, arrange the Nine Palaces upon the palm: Kan resides in one, Kun in two, Zhen in three, Xun in four, the Center in five, Qian in six, Dui in seven, Gen in eight, Li in nine — thus the mechanism of creation becomes manifest. Then distribute the Eight Trigrams across the plate: Li at due south, Kan at due north, Zhen at due east, Dui at due west, Xun at the southeast, Kun at the southwest, Gen at the northeast, Qian at the northwest — thus the directional framework is established.

The Luo Shu yields fifteen whether reckoned vertically, horizontally, or diagonally, and the Three Origins interweave in ordered complexity. The Eight Trigrams govern the Eight Solar Terms — Beginning of Spring, Spring Equinox, Beginning of Summer, Summer Solstice, Beginning of Autumn, Autumn Equinox, Beginning of Winter, and Winter Solstice — whereby the seasonal cycle is completed; each solar term governs three qi periods, and thus the twenty-four qi are fully covered. 🌱 Whenever a jia or ji day serves as the talisman head, leap calculations must be employed to complete the pattern count. If the talisman head arrives first but the solar term has not yet come, observe where jia or ji falls and employ the method of "Transcending the Spirit" (Chao Shen); if the solar term arrives first but the talisman head comes later, examine where jia or ji resides among the day stems and apply the method of "Receiving the Qi" (Jie Qi). After the Winter Solstice, the eastern sector of the Zi-Wu axis is Yang Dun — traversing the four palaces of Kan, Gen, Zhen, and Xun, the Six Yi proceed in forward order while the Three Wonders are arranged in reverse, with the Value Star flying forward through the Nine Palaces. After the Summer Solstice, the western sector of the Zi-Wu axis is Yin Dun — traversing the four palaces of Li, Kun, Dui, and Qian, the Three Wonders are arranged in forward order while the Six Yi proceed in reverse, with the Value Star flying backward through the Eight Trigrams.

Recognize the Nine Palaces and establish the Nine Stars as the Value Star (Zhi Fu), whereby fortune and misfortune are distinguished. For example, if the Kan Palace takes Tian Peng as the Star, then Tian Rui resides in two, Tian Chong in three, Tian Fu in four, Tian Qin in five, Tian Xin in six, Tian Zhu in seven, Tian Ren in eight, and Tian Ying in nine. Match the Eight Trigrams and establish the Eight Gates as the Value Envoy (Zhi Shi), whereby auspiciousness and inauspiciousness are determined. For example, if the Qian Palace matches the Open Gate (Kai) as the Envoy, then the Rest Gate (Xiu) is at Kan, the Life Gate (Sheng) at Gen, the Injury Gate (Shang) at Zhen, the Shelter Gate (Du) at Xun, the Scenery Gate (Jing) at Li, the Death Gate (Si) at Kun, and the Startle Gate (Jing) at Dui. Move the Value Star to the palace where the Hour Stem resides — therein lies the originating position of the Value Star; seek the Value Envoy at the location where the Hour Branch falls — therefrom its direction is determined.

The Heaven Plate's Nine Stars with the Three Wonders and Six Yi change once every double-hour, symbolizing the revolving motion of the celestial way; the Earth Plate's Nine Stars with the Wonders and Yi shift one pattern every five days, emulating the still and steadfast nature of the terrestrial way. The Heaven Plate alighting upon the Earth Plate — examine the waxing and waning of fortune; the Earth Plate receiving the Heaven Plate — judge the filling and emptying of auspiciousness. Heaven jiazi over Earth jiazi is called Fu Yin (Recumbent Yin) — whenever a Gate or Star dwells in its own palace, this applies — and it may not be employed. Earth Tian Ying meeting Heaven Tian Peng is called Fan Yin (Reversing Yin) — whenever a Gate is placed against its opposing palace, this applies — and it should be avoided. An auspicious Gate encountering the Three Wonders — all that is sought will be obtained; when the Wonder Gate enters the Tomb, or the Gate suffers restraint — whatever is undertaken will come to naught. Should the Three Wonders Yi, Bing, Ding together with the Life, Rest, and Open Gates combine with the position of Tai Yin, this is called the Threefold Complete Wonder Auspiciousness. If there is presence or absence of Yin, one must carefully examine the facing and backing directions; the Punishment Clash (Ji Xing) of the Three Wonders and Six Yi is most baleful and may not be employed.

The Nine Dun combined with the Gates are supremely advantageous — great undertakings may proceed. The Open Gate combined with the Yi Wonder and placed upon the ji position, without violating the Wonder Tomb or Gate Restraint, is called Earth Dun — shielded by the Purple Majestic, drawing aid from the essence of the sun. The Moon Wonder Ding (referring to Bing) encountering the Life Gate, without violating Wonder Tomb or Gate Restraint, is called Heaven Dun — mounted upon the Flowery Canopy for concealment, drawing aid from the essence of the moon. The Rest Gate combined with the Ding Wonder, additionally conjoined with Tai Yin, and facing the Earth Plate — this is the Human Dun, whereby one may mobilize troops. The Bing Wonder together with the Life Gate, combined above with the Nine Heavens, constitutes the Spirit Dun. The Star Wonder (Ding) encountering the Rest Gate and positioned below the Nine Earths constitutes the Ghost Dun. The Dragon Dun obtains the Moon Wonder combined with the Rest Gate and the gui Yi, sometimes facing the Kan Palace; the Tiger Dun obtains the Yi Wonder approaching the Life Gate, sometimes emerging from the Gen Palace; the Wind Dun has the Day Wonder (Yi) with the Open Gate facing the Xun Palace; the Cloud Dun has the Moon Wonder (Bing) with the Open Gate combined in the Kun Palace. These are the named examples of the Nine Dun — in truth the profound secrets of the military strategist; when applied appropriately, verification never fails.

The Stars have distinctions of Yin and Yang, and the Gates have divisions of opening and closing. Only Tian Qin has no fixed position, lodging instead in the southwest Kun Palace while belonging to the Center Palace. Follow the Three and avoid the Five — therein lie harm and benefit. There are three victorious positions: the Heavenly Yi Palace where the Heaven Plate Value Star alights — the grand general takes position here, this is the first; the position one behind the Value Star is the Nine Heavens — our army takes position here, this is the second; the palace of the Earth Plate Life Gate combined with the Three Wonders — if one leads troops forth from the Life Gate to strike the Death Gate, victory attends every battle, this is the third. There are five positions not to attack: the Heavenly Yi and Nine Heavens positions — attacking them invites disaster, these are the first and second; the Life Gate and Nine Earths positions — violating them incurs calamity, these are the third and fourth; the position where the Value Star faces the Value Envoy — if troops are used to break through encirclements or shatter formations, the generals will die and the army be lost, this is the fifth. The Meng Jia (first of the three periods) brings punishment upon the Gates — difficult to advance or retreat, one should conceal one's traces; the Zhong Jia (middle period) — Yang within — is suitable for steadfast defense and favorable for hiding troops; during the Ji Jia (final period), Yin within and Yang without, one must distinguish host and guest before determining victory or defeat.

Six Yi is the Heavenly Virtue — when dispatching troops, position oneself above it; beneath the Day Wonder, victory may be sealed before it unfolds. Bing is the Heavenly Authority — should the metal-subduing mandate of Bing fire not be obtained, beware of defeat at unforeseen moments. When the hour approaches Six Ding, it is called the Jade Maiden Veiling Its Form — as if concealed beyond visibility. When the hour approaches Six Wu, it is called Riding the Dragon Ten Thousand Miles — encountering fierce opponents, their traces self-extinguish. Six Ji is the Earth Gate — suited for covert affairs and surprise raids. Six Gui is the Heavenly Net — assess its height or lowness to facilitate escape. Six Geng used for battle brings calamity upon one's own army. Six Xin employed for campaign brings misfortune upon one's own person. Six Ren is the Heavenly Prison — flying calamities arrive swiftly. Six Jia is the Beginning of the Hour — responding to the pattern, its efficacy manifests.

Jia over Bing is the Azure Dragon Turning Its Head — action meets with no resistance. Bing over Jia is the Soaring Bird Returning to Its Nest — undertakings achieve success. Yi over Xin is the Azure Dragon Fleeing — wealth and possessions fall into ruin. Xin over Yi is the White Tiger Raging — the body suffers injury. Ding over Gui is the Vermilion Bird Plunging into the River — litigation and imprisonment arise therefrom. Gui over Ding is the Winged Serpent Recoiling — anxious and fearful events are certain to arrive. Six Geng over the Value Star is the Recumbent Palace Grid — unfavorable to the host, favorable to the guest. The Value Star over Geng is the Flying Palace Grid — valued not in battle but in strategy. Geng over the Value Star — the White Star (Venus) opposing the Heavenly Yi — external troops invade and the commanding general must be defeated. The Value Star over Six Geng — the Supreme Yi opposing the White Star — if troops are forcefully dispatched, the guest general will surely be obstructed. The Value Envoy facing Geng is called Field Battle — though troops be elite, the host is beleaguered. Geng over the Value Envoy is called Same Palace — though the general be valiant, he will surely be routed. Geng over Bing is the White Star Entering the Blazing Fire — bandits will surely come to attack. Bing over Geng is the Blazing Fire Entering the Metal Realm — bandits will surely retreat. These patterns are unfavorable to both host and guest alike — do not rely upon the Qi Men to force military action.

Heaven-Earth Great Grid: Geng beneath Gui. Heaven-Earth Small Grid: Ren above Geng. Geng over Ji — soldiers die upon the road midway; this is the Punishment Grid. Ji over Geng — troops meet hardship upon perilous paths. Year Grid: the Year Stem encounters Geng. Month Grid: Geng over the beginning of the month. Geng approaching the Day Stem is the Recumbent Stem Grid — the host suffers injury. The Day Stem over Geng is the Flying Palace Grid — the guest general will not prevail. The Hour Stem overcoming the Day Stem is the Five Non-Encounters — certain to impair one's brilliance. Bing over the Day Stem is called Rebellion and Disorder — overturning and inverting the governing principles.

Heaven has its Three Gates: Tian Chong (Mao), Xiao Ji (Wei), Cong Kui (You). Earth has its Four Doors: the Chu, Wei, Kai, and Ding days of the month-builder. Where the Value Envoy intersects is the location of the Heavenly Yi; where the Value Star alights is the traveling palace of the Heavenly Yi. Should the Heavenly Yi face difficulty, one should abandon the Gates and follow Kun. One behind is the Nine Heavens, two behind is the Nine Earths. Above the Nine Heavens is favorable for displaying troops; below the Nine Earths is favorable for laying ambushes. Three ahead is Liu He, two ahead is Tai Yin. Within Liu He, flight and escape are advantageous; at the position of Tai Yin, concealment and lying low are fitting. The positions of the Three Deceptions are advantageous for all actions — namely, the Rest, Life, and Open Gates combined with the Three Wonders Yi, Bing, Ding, and further combined with the Nine Earths, Tai Yin, and Liu He. The domains of the Five Borrowings each carry their own fortune or misfortune — namely, the Shelter, Death, Startle, Injury, and Scenery Gates combined with the Nine Earths, Tai Yin, and Liu He, and further combined with Yi, Bing, Ding, Ji, and Gui. Matters such as the unfathomable arts of Six Wu, or the marvels of the Six Jia talismanic seals — these are realized through intuitive understanding and cannot be transmitted through words alone. Those who aspire to defend the state and comfort the people, to go forth as generals and enter as ministers, cannot afford to remain ignorant of these.

Alas! To hold heaven and earth within one's grasp, to array the constellations within one's breast, to have wind and thunder obey one's breath, and ghosts and spirits heed one's command — this is the secret writing of the celestial palace's stone chamber, the divine calculation for orchestrating strategy and securing victory!

Recorded respectfully by Liu Ji, styled Bowen, on the eighth day of the fourth month of summer, in the seventh year of the Hongwu reign of the Great Ming (1374 CE)

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Deep Understanding

Core Concepts 💡

This general preface systematically expounds the complete theoretical framework of Qi Men Dun Jia, whose core ideas may be summarized in the following aspects:

1. An operational model of Heaven-Human Unity
Qi Men Dun Jia employs the Nine Palaces and Eight Trigrams as its spatial framework and the solar terms and Three Origins as its temporal coordinates, integrating the Three Realms of Heaven, Earth, and Humanity into a single deducible chart model. The Heaven Plate emulates Heaven, changing with each double-hour; the Earth Plate emulates Earth, shifting only once every five days. This design implicitly embodies the cosmological view of "Heaven in motion, Earth at rest." Humanity stands between Heaven and Earth, discerning the fortune of times and positions through chart divination.

2. The dialectical thinking of Host-Guest and Motion-Stillness
Throughout the text, the distinction between "host and guest" is repeatedly emphasized: the Recumbent Palace Grid is unfavorable to the host but favorable to the guest; the Flying Palace Grid values strategy over battle; the Five Non-Encounters impairs the host's brilliance. Qi Men Dun Jia is not a rigid system of auspicious or inauspicious judgments, but rather a dynamic analysis of competitive interaction — under the same configuration, different standpoints yield entirely different advantages and disadvantages. This constitutes a profoundly dialectical strategic mode of thought.

3. A spacetime-integrated conception of fortune
From the calendar correction of "Transcending the Spirit" and "Receiving the Qi" to the temporal stratification of "Meng Jia, Zhong Jia, and Ji Jia," Qi Men treats time as a dimension of quality and direction. Different temporal nodes carry distinct energetic properties, and action must be coordinated with time and position in order to "ride the momentum and act accordingly."

4. Practical rationality in "avoiding the inauspicious and pursuing the auspicious"
The system of the Nine Dun, Three Deceptions, Five Borrowings, Three Victorious Positions, Five Positions Not to Attack, and other configurations is, in essence, a decision-screening matrix. It does not promise "changing one's fate," but rather guides people to identify favorable windows and dangerous traps amidst complex situations, embodying highly rational decision-making.

Modern Interpretation 🌟

Reexamining Qi Men Dun Jia within a contemporary context, its value lies not in "predictive mysticism" but in the systematic decision-making methodology it contains.

Temporal-Spatial Sensitivity: In modern society, information overload prevails, yet genuinely effective action often depends on "timing" and "positioning." The chart deduction of Qi Men Dun Jia is, in essence, a structured analysis of spatiotemporal conditions. Modern project management, marketing, and strategic planning all require precise mastery of "when" and "where." 🗓️

Host-Guest Game-Theoretic Thinking: Qi Men's extreme emphasis on "host and guest" strongly resonates with positional analysis in modern game theory. In commercial negotiations, litigation, and competitive strategy, the advantages and disadvantages facing the active and passive parties under the same circumstances are entirely different. Qi Men's judgments such as "the Recumbent Palace Grid favors the guest over the host" and "the Flying Palace Grid values strategy over battle" can be transformed into strategic checklists of "when to attack, when to defend, and when to negotiate."

Pattern-Based Risk Identification: The Azure Dragon Fleeing, White Tiger Raging, Vermilion Bird Plunging into the River, Winged Serpent Recoiling — though metaphorically colored in name, these configurations are fundamentally a risk identification system. By concretizing and naming abstract dangerous situations, decision-makers facing complex scenarios are enabled to rapidly identify risk types and implement corresponding measures. This parallels the "risk matrix" and "scenario analysis" used in modern management.

The Calibration Philosophy of Transcending the Spirit and Receiving the Qi: Qi Men's correction of the calendar — the precedence relationship between talisman head and solar term requiring "Transcending the Spirit" or "Receiving the Qi" for adjustment — reflects a clear recognition of the deviation between theoretical models and reality. Any model requires continuous calibration according to actual feedback, a principle confluent with the "model optimization" concept in modern data science. 🔧

Practical Value ⚡

In modern life, the core principles of Qi Men Dun Jia may be transformed into the following practical references:

Methodology for application:

• Hypothesis-Action-Review: Treat the results of Qi Men deduction as a set of "hypothetical conditions," verify their validity in actual action, and record deviations. For example: if a certain day is judged suitable for "offense" (guest-favorable), then advance negotiations or bids on that day; afterward, review the alignment between outcomes and judgments, gradually refining one's understanding of the patterns.
• Risk Checklist-ization: Convert grim configurations such as "Five Positions Not to Attack," "Punishment Clash," and "Entering the Tomb" into concrete risk categories — insufficient resources, wrong timing, unfavorable positioning, strained relationships, missing information — forming an actionable checklist.

Philosophical Reflection 🤔

The deep philosophical essence of Qi Men Dun Jia is the Chinese people's ultimate contemplation of the relationship between "time" and "position."

"Time" is not homogeneous, elapsing physical time, but rather rhythmic, directional, and qualitative living time. In the rise of spring growth, summer flourishing, autumn harvest, and winter storage — within the temporal graduations of the twenty-four solar terms — resides the undulation of "momentum." "Position" is not an empty geometric coordinate, but rather a spatial order of hierarchy, fortune, and mutual generation and restraint. Within the spatial framework of the Nine Palaces and Eight Trigrams lies the distribution of "field."

The deduction of Qi Men Dun Jia ultimately answers one question: How can humanity, within finite time and space, make the choices most congruent with "momentum" and "field"? This is neither fatalism — for it emphasizes "application achieves success" and "striking the Death Gate from the Life Gate brings victory in every battle," with agency resting in human hands — nor nihilism — for it acknowledges that configurations carry fortune and misfortune, that seasons have favorable and unfavorable currents, and that action has boundaries.

This wisdom of "avoiding what cannot be done and doing what can be done" runs in a single lineage with the I Ching's teaching: "When the time says stop, stop; when the time says act, act; in motion and stillness never missing the moment — the Way shines bright." It reminds us: true freedom lies not in reckless assertion of will, but in finding the optimal course of action after a profound understanding of the limitations imposed by objective conditions.

When Liu Bowen sighs at the preface's end, "to hold heaven and earth within one's grasp, to array the constellations within one's breast," the deep meaning perhaps lies not in "control" but in "understanding" — understanding the rhythm of Heaven and Earth's operation, understanding the cycles of human affairs' rise and fall, and thereby finding one's place within change, pursuing the greatest possible achievement within the finite. 🌌

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Related Knowledge

Related Concepts

• Luoshu Nine Palaces: In the general preface, "Kan-1, Kun-2, Zhen-3, Xun-4, Zhong-5, Qian-6, Dui-7, Gen-8, Li-9" refers to the Luoshu numbers matched with the Nine Palaces, forming the spatial framework foundation of Qimen Dunjia.
• Correspondence between the Three Yuan and the Solar Terms: The Eight Trigrams are divided into eight solar periods (the eight solar periods being the two equinoxes, two solstices, and four seasonal beginnings), with each period governing three qi, totaling twenty-four qi, constituting the calendrical basis of Qimen.
• Division of Yin and Yang Dun: After the winter solstice, Yang Dun is used; after the summer solstice, Yin Dun is used, directly corresponding to the concept of yin-yang waxing and waning in the I Ching: "At the winter solstice, yang begins to grow; at the summer solstice, yin begins to grow."
• Nine Star System: Tianpeng, Tianrui, Tianchong, Tianfu, Tianqin, Tianxin, Tianzhu, Tianren, Tianying, associated with the belief in the nine stars of the Big Dipper, serve as the operating主体 of the celestial plate (Tianpan) in Qimen.
• Eight Doors System: Xiu (Rest), Sheng (Birth), Shang (Harm), Du (Obstacle), Jing (Scenery), Si (Death), Jing (Startle), Kai (Open), originating from the ancient military and legal door-system concepts, serve as the action guide of the human plate (Renpan) in Qimen.
• Three Marvels and Six Instruments: Yi, Bing, Ding are the Three Marvels; Wu, Ji, Geng, Xin, Ren, Gui are the Six Instruments, closely related to the yin-yang and Five Element attributions of the Heavenly Stems.
• Tianyi, Jiutian, Jiudi, Liuhe, Taiyin: The Eight Spirits system in Qimen (also including Zhifu and Tengshe), originating from the shared deity and auspicious-influence tradition of Taiyi and Qimen, are used to judge auxiliary forces supporting actions.

Extended Reading

• "Song of the Old Fisherman by the Misty Waves" : A programmatic ballad of Qimen Dunjia that echoes the general preface and can be studied in parallel.
• "The Comprehensive Lineage of Qimen Dunjia" : A Ming-dynasty comprehensive work on Qimen, elaborating in detail on patterns such as the Nine Dun, Three Deceptions, and Five Subterfuges.
• "Yang Dun Nine Bureau · Yin Dun Nine Bureau" : Complete charting methods and practical cases of the eighteen bureaus of Qimen Dunjia.
• "Imperially Authorized Qimen Precious Mirror" : Qimen documentation officially compiled in the Qing dynasty, which can be regarded as a continuation and standardization of the Ming-dynasty secret texts.
• "Jingyou Dunjia Fuying Jing" : A Dunjia work officially compiled in the Song dynasty, serving as an important milestone in the developmental history of Qimen.

Modern Research

Contemporary scholars' research on Qimen Dunjia presents pluralistic trends:

• Systems Science Perspective: Some researchers view the Qimen chart as a self-organizing system model, with the arrangement of the Nine Palaces and Eight Trigrams and the operation of the Three Marvels and Six Instruments implying hierarchical and feedback mechanisms of complex systems.
• Decision Science Perspective: Some management researchers compare Qimen's "host-guest distinction" and "auspicious/inauspicious pattern judgments" with modern game theory and decision-making frameworks, exploring their heuristic value for strategic management and crisis handling.
• Calendar History Perspective: The method of "Chao Shen Jie Qi" has been incorporated into research on the history of ancient Chinese calendar revision, serving as a typical case of the interplay between calendar systems and social practice.
• Cultural Semiotics Perspective: Patterns such as the Nine Dun and Three Deceptions are interpreted as symbolic expressions of ancient Chinese conceptualizations of "opportunity types," rich in cultural semantics.
• Computer Simulation: Some scholars have attempted to program the charting rules of Qimen Dunjia, using algorithms to simulate the frequency and distribution patterns of different configurations, providing data-supported insight into its internal logic.

It should be noted that, as an ancient divination art, Qimen Dunjia's judgments of fortune and misfortune lack empirical basis in the modern scientific sense. Contemporary research focuses more on its value as a cultural heritage and thinking model rather than on validating its predictive function. In studying Qimen Dunjia, one should adopt an attitude of understanding the wisdom of the ancients and drawing on its methodological insights, rather than superstition or blind adherence.