Qimen Dunjia Core Concepts: Nine Dun, Four Harms, and Door-Palace Interactions

Qimen Dunjia (奇门遁甲, the Mysterious Door) plate reading is never a mechanical check of auspicious stars and doors. The true advanced essence lies in the Nine Dun patterns, Four Harms judgments, and Door-Palace interactions. These three correspond to the dimensions of "momentum," "obstacles," and "position": the Nine Dun are nine specific layout patterns that determine the underlying energy of a matter; the Four Harms are four hidden hindrances that reveal the roots of stagnation and internal friction; Door-Palace interactions reflect the compatibility between people and their environment, directly indicating the smoothness or difficulty of a situation. This article thoroughly explains these three systems to help advanced learners improve their accuracy in plate reading.

The Nine Dun: Nine Specific Layout Patterns

The Nine Dun are nine special patterns: Heaven, Earth, Human, Wind, Cloud, Dragon, Tiger, Spirit, and Ghost. Each corresponds to a unique strategy for handling affairs. They are not fixed labels of good or bad fortune, but rather ancient wisdom on "using momentum following the situation."

Heaven Dun (天遁)｜Bing + Ding: Blessed by Moonlight, Advance with the Flow

Pattern: Heavenly plate Bing Qi, paired with one of the three auspicious doors (Kai, Xiu, Sheng), landing on earthly plate Ding Qi. Core energy: refined and harmonious, smooth and supportive. Suitable for positive matters such as business planning, proposal submissions, promotions, and public speaking. If Teng Snake is present, doubts may arise; if Xuan Wu or Bai Hu is present, there may be hidden troubles.

Earth Dun (地遁)｜Yi + Ji: Root and Gather Strength, Steadily Hold

Pattern: Heavenly plate Yi Qi, paired with one of the three auspicious doors, landing on earthly plate Ji Tu. Energy: heavy and stable. Suitable for matters requiring a solid foundation, such as store location selection, construction, and long-term project planning. Bai Hu favors rigid competition; Xuan Wu is good for information gathering.

Human Dun (人遁)｜Ding + Xiu Men + Tai Yin: Clear Insight, Secret Success

Pattern: Heavenly plate Ding Qi, Xiu Men, paired with the spirit Tai Yin. Energy: secretive and insightful. Suitable for matters requiring intelligence, such as market research, business negotiations, and talent recruitment. Work quietly and exert force behind the scenes without high-profile publicity.

Spirit Dun (神遁)｜Bing + Sheng Men + Jiu Tian: Leverage Momentum, Break Through with High Profile

Pattern: Heavenly plate Bing Qi, Sheng Men, paired with the spirit Jiu Tian. Energy: grand and expansive. Suitable for matters requiring public breakthroughs, such as brand promotion, product launches, and team training. Good at feinting east and attacking west, using external momentum to push matters forward quickly.

Ghost Dun (鬼遁)｜Ding + Du Men/Kai Men + Jiu Di: Secret Maneuvers, Catch Off Guard

Pattern: Heavenly plate Ding Qi, Du Men or Kai Men, paired with the spirit Jiu Di. Core logic: conceal and implement secretly. Suitable for covert operations such as competitor research, reverse layout, and public opinion management. In Feng Shui house assessment, Ghost Dun indicates mixed energy in the residence.

Wind Dun (风遁)｜Yi + Three Auspicious Doors + Xun Palace: Go with the Flow, Adapt Flexibly

Pattern: Heavenly plate Yi Qi, paired with one of the three auspicious doors, landing in Xun (4) Palace. Energy: fast-flowing. Suitable for relocation, cross-border cooperation, and flexible adjustment of direction. Must align with the directional energy: if the wind comes from the northwest, strike; if from the southeast, wait and observe.

Cloud Dun (云遁)｜Yi + Three Auspicious Doors + Xin: Hide Sharpness, Accumulate Quietly

Pattern: Heavenly plate Yi Qi, paired with one of the three auspicious doors, landing on earthly plate Xin. Energy: soft and introverted. Suitable for long-term project groundwork, personal ability accumulation, and resource integration. If not encountering harmful patterns such as Tomb or Oppression, steady progress is possible.

Dragon Dun (龙遁)｜Yi + Three Auspicious Doors + Kan Palace/Gui: Water Smoothness, Break Through Difficulties

Pattern: Heavenly plate Yi Qi, paired with one of the three auspicious doors, landing in Kan (1) Palace or on earthly plate Gui. Energy: agile and adaptable. Suitable for channel unblocking, resource connection, and tackling tough problems. If Xuan Wu is present, water energy may overflow; guard against omissions.

Tiger Dun (虎遁)｜Yi Qi + Auspicious Door + Gen Palace/Dui Palace Metal Energy: Suppress and Uphold Righteousness, Break Through Strongly

Pattern: Heavenly plate Yi Qi, Xiu Men or Sheng Men, landing on earthly plate Xin in Gen (8) Palace; or Geng metal paired with Kai Men in Dui (7) Palace. Energy: firm and steady. Suitable for channel expansion, market deepening, and engineering construction. In Feng Shui house assessment, Tiger Dun indicates strong righteous energy in the residence.

The core wisdom of the Nine Dun is to adapt measures to local conditions: Heaven Dun leverages momentum, Earth Dun roots, Human Dun uses wisdom, Spirit Dun creates momentum, Ghost Dun moves stealthily, Wind Dun adapts, Cloud Dun lies low, Dragon Dun unblocks, and Tiger Dun guards. Each Dun pattern is a unique strategic mindset. Understanding the Nine Dun allows you to choose the right strategy for different situations.

The Four Harms: Tomb, Emptiness, Punishment, and Door Oppression

The Four Harms are four hidden obstacles in Qimen. They are not absolute calamities but states of energy imbalance, waste, and misalignment. Even if a plate looks perfect, encountering any of the Four Harms can cause good things to falter or fail.

Tomb (入墓): Energy Sealed

Tomb means energy is stored and sealed, like goods locked in a warehouse, unable to function normally. If the energy is strong, it is "temporarily stuck" and can be resolved when the Tomb is struck or opened; if weak, it is completely powerless, and matters are hard to achieve. The ten Heavenly Stems have fixed Tomb palaces: Jia and Wu in Kun (2) Palace; Yi and Ji in Gen (8) Palace; Bing and Geng in Qian (6) Palace; Ding and Ren in Xun (4) Palace; Gui in Kun (2) Palace.

Emptiness (空亡): Matters Hanging in the Air

Emptiness represents void, unreality, and failure. In practice, first check if the Hour Stem is empty. The emptiness of the six Xun cycles follows fixed formulas: Jiazi Xun: Xu and Hai empty; Jiaxu Xun: Shen and You empty; Jiashen Xun: Wu and Wei empty; Jiawu Xun: Chen and Si empty; Jiachen Xun: Yin and Mao empty; Jiayin Xun: Zi and Chou empty. False emptiness (when the useful deity is strong) can be fulfilled later; true emptiness (when the useful deity is weak) means no result. If the Day Stem is empty, the person is confused; if the Hour Stem is empty, the matter is highly variable.

Six Yi Punishment (六仪击刑): Internal Friction

Punishment arises from mutual punishment of Earthly Branches, leading to awkwardness, internal friction, and unnecessary obstacles. The fixed palaces for Six Yi Punishment: Wu in Zhen (3) Palace (Zi-Mao no propriety punishment); Ji in Kun (2) Palace (Xu-Wei power punishment); Geng in Gen (8) Palace (Yin-Shen no gratitude punishment); Xin in Li (9) Palace (Wu-Wu self-punishment); Ren in Xun (4) Palace (Chen-Chen self-punishment); Gui in Xun (4) and Gen (8) Palaces (half punishment). Resolution: prioritize "combining" and "draining," avoid "rushing." Special attention: Geng punishment should not use Si fire; use Yi wood to combine Geng metal and add clear water to drain metal energy.

Door Oppression (门迫): Self-Inflicted Waste

Door Oppression occurs when the Five Elements of the Door overcome the Elements of the Palace, representing "people going against the environment." When an auspicious door is oppressed, its benefits are reduced; when an inauspicious door is oppressed, the harm increases. All Door Oppression combinations: Shang Men and Du Men (Wood) in Gen and Kun Palaces (Earth); Kai Men and Jing Men (Metal) in Zhen and Xun Palaces (Wood); Xiu Men (Water) in Li (9) Palace (Fire); Jing Men (Fire) in Qian and Dui Palaces (Metal); Sheng Men and Si Men (Earth) in Kan (1) Palace (Water). When encountering Door Oppression, good things are discounted, and bad things worsen.

The practical core of the Four Harms: Tomb depends on strength, Emptiness distinguishes true/false, Punishment checks branches, Door Oppression examines elements. Understanding the Four Harms allows you to precisely identify the causes of stagnation, failure, and internal friction, and adjust the rhythm accordingly.

Door-Palace Interactions and Nine Star Strength

The interaction between the Eight Doors and palaces is key to determining success or failure and details. Good or bad is not fixed; it can reverse due to palace constraints.

Four Relationships Between Door and Palace

• Door Overcomes Palace (Door Oppression): People overcome environment; good things fail, bad things worsen.
• Palace Overcomes Door (Door Restriction): Environment suppresses people; auspicious doors lose support, inauspicious doors have reduced harm.
• Door Generates Palace (Door Harmony): People nourish environment; auspicious doors bring smoothness, inauspicious doors breed harm.
• Palace Generates Door (Door Righteousness): Environment nourishes people; auspicious doors gain support, inauspicious doors amplify harm.

Generation is not always good, and overcoming is not always bad. Judgment must combine the attributes of stars and doors with seasonal strength.

Nine Star Strength Patterns

The strength of the Nine Stars follows the "Song of the Old Fisherman on the Misty Waves" (烟波钓叟歌): "Same element as me is called Mutual; the month I generate is truly Flourishing. Waste in parents, rest in wealth; imprisoned in ghost, no falsehood." For example, Tian Peng Star belongs to Water: Hai and Zi months are Mutual; Yin and Mao months are Flourishing; Si and Wu months are Resting and Imprisoned. Earth stars (Tian Rui, Tian Qin, Tian Ren) flourish in Chen, Xu, Chou, Wei months; are Mutual in Shen and You months; Waste in Si and Wu months; Rest in Hai and Zi months; Imprisoned in Yin and Mao months.

The Nine Stars correspond to the general trend of Heaven. When auspicious stars land, people's hearts are upright; when inauspicious stars land, internal friction is likely. Understanding the Nine Stars reveals the current "Heavenly environment"; understanding Door-Palace interactions clarifies the "logic of advance and retreat" in human affairs.

Advanced Qimen Dunjia plate reading is a comprehensive application of the three systems: the Nine Dun for strategy, the Four Harms for obstacles, and Door-Palace interactions for judgment. Combining these three allows precise grasp of the overall situation. To practice deeply, use our online Qimen Dunjia plate calculation tool with the knowledge from this article. For more advanced Qimen content, visit our blog column.

Frequently Asked Questions

Which of the Nine Dun patterns is most auspicious?

There is no absolute best; each Dun has its applicable scenarios. Heaven Dun suits aggressive breakthroughs, Earth Dun suits rooting and accumulation, Human Dun suits achieving through wisdom. The choice depends on the nature and goal of the matter. For example, use Human Dun for business negotiations, Spirit Dun for brand promotion, and Earth Dun for long-term projects.

How to judge when multiple Four Harms appear simultaneously?

When multiple Harms overlap, judge hierarchically: first check Tomb and Emptiness to determine whether the matter can "exist"; then check Punishment and Door Oppression to determine whether progress is "smooth." If both Tomb and true Emptiness are present, the matter will certainly fail; if strong but with Door Oppression, the matter can succeed but with difficulty. In practice, combine the strength of the useful deity and the star-door patterns for a comprehensive assessment.

Which is more harmful, Door Oppression or Door Restriction?

Both are harmful, but with different emphases: Door Oppression is people actively going against the environment, a "self-inflicted trouble"—auspicious doors are discounted, inauspicious doors double harm; Door Restriction is the environment passively suppressing—auspicious doors lose support, inauspicious doors have reduced harm. Generally, Door Oppression is more destructive because it involves active energy waste.