Dui Trigram (☱): The Joyful Lake of Pleasure & Expression
The Dui trigram (兌), or Duì, is the symbol of the Lake, representing joy, pleasure, expression, and communication. It is a gentle, receptive, yet influential energy associated with the element of Yin Metal.
To understand its core nature, we first look to its position in the Early Heaven Bagua (Xiāntiān Bāguà). In this ideal, primordial arrangement, Dui (Lake) is positioned in the Southeast. It sits opposite the creative Qian (Heaven) in the Northwest, symbolizing Heaven’s reflection on Earth. Its true nature is that of joyous interaction and the serene reflection that allows for connection and exchange.
In this article, we will explore the key attributes of Dui, its practical application in the modern world, and how you can use its cheerful energy to enhance your creativity, communication, and joy.
Dui Trigram: Key Correspondences
| Attribute | Correspondence |
| Symbol | 兌 (Duì) ☱ |
| Pinyin | duì |
| Core Image | Lake (Zé), The Joyous |
| Element | Metal (Yin Metal) |
| Direction | West (in Later Heaven) |
| Lo Shu Number | 7 |
| Family | Youngest Daughter |
| Season | Mid-Autumn |
| Colors | White, Silver, Gold, Metallic |
| Body Part | Mouth, Teeth, Lungs, Tongue |
| Qualities | Joy, Pleasure, Communication, Speech, Creativity, Romance, Finances (“Small Metal”) |
This “ideal” nature of Dui as serene reflection and exchange is the foundation for its power. It is the joy that comes from connection and expression, the beauty of a lake reflecting the sky.
While the Early Heaven Bagua shows Dui’s essence, the Later Heaven Bagua (Hòutiān Bāguà) reveals its practical role. In this map, Dui moves to the West. This is the direction of the setting sun, the time of harvest, celebration, and winding down. It is a sector of pleasure and reward. This sector governs your children, your creativity, and your joy.
Note: This article is part of our in-depth series on the Bagua. For a complete overview, please read our article What is the Bagua?
The Deeper Meaning of Dui
The Symbol: The Open Lake
The structure of the Dui trigram is one yin (broken) line on top of two yang (solid) lines. This is a vivid image of a lake: solid, strong earth and rock below, holding a soft, open, and receptive surface of water. The open yin line at the top symbolizes an open mouth, ready for speech, song, and pleasure. It also represents a ‘gap’ or ‘lack,’ which creates the desire to be filled, driving the pursuit of pleasure.
The Archetype: The Youngest Daughter
In the family, Dui represents the Youngest Daughter. She is the source of joy, laughter, and charm in the household. She is expressive, talkative, and often persuasive. Her energy is light, cheerful, and sometimes seen as ‘spoiled’ because she is associated with pleasure and having fun. She governs speech, romance, and the arts.
Dui in Feng Shui: The Children & Creativity Sector
The West sector of your home, governed by Dui, is the “Children and Creativity Palace.” This is a joyful, vibrant area that relates to all forms of “output,” whether it’s children, creative projects, or simply having fun. It is also associated with “small metal,” or spending money.
- Governs the luck, health, and well-being of your children.
- Enhances creativity, innovation, and new ideas.
- Boosts joy, fun, romance, and your social life.
- A weak Dui sector can lead to creative blocks, problems with children, or a general lack of joy and pleasure in life.
How to Activate and Enhance the Dui Sector
To boost your creativity, children’s luck, and sense of fun, activate the West area:
- Metal Element: This is the primary element. Enhance this area with metal objects, especially those that are round or oval. Metal wind chimes, round metal-framed photos, and the colors white, silver, and gold are perfect.
- Earth Element: In the 5-element cycle, Earth creates Metal. Adding crystals, pottery, or earth tones (beige, light yellow) will support and strengthen this sector.
- Display Creativity: This is the ideal place to display your children’s artwork or your own creative projects.
- Joyful Items: Place things here that simply make you happy or make you laugh.
- Caution: Avoid the Fire element. Fire melts Metal. Do not place red, purple, or orange items, bright “hot” lamps, or candles here. Also, limit Water (it drains Metal’s energy).
Dui in Personal Life & Health
In the body, Dui governs the mouth, teeth, tongue, and lungs. It is the trigram of speech and breath. An imbalance in Dui energy can manifest as dental problems, lung or respiratory issues (like asthma), or problems with speech (stuttering, or on the flip side, malicious gossip). It can also lead to over-indulgence in pleasure.
Dui’s Role in Flying Stars (Xuan Kong)
In the Flying Star system, Dui corresponds to the Star 7 Red (Qi Chi). This Yin Metal star has a dramatic dual nature based on time.
During its own period, **Period 7 (1984-2003)**, the Star 7 was the timely “Prosperity Star,” bringing immense wealth, especially through speech (sales, entertainment). However, now in Periods 8 and 9, Star 7 is “untimely” and has become a negative star. It is known as the “Fallen” or “Violent Star,” associated with gossip, backstabbing, arguments, financial loss, and even violence. It is an energy that must be “cured” (weakened) with still, Yin Water in modern Feng Shui practice.
Conclusion
The Dui trigram is the gentle energy of joy, expression, and connection. It is the open lake that reflects the sky and the open mouth ready to speak, sing, and connect. By understanding the nature of Dui, you learn to cultivate joy and healthy communication, strengthen your creative output, and care for the wellbeing of your children. It reminds you that true pleasure is found in honest self-expression and genuine exchange — and that a joyful heart is itself a form of strength.
Explore the Other Trigrams
Each trigram is a unique building block of the Bagua. Continue your journey by exploring the other fundamental energies.
- ☴ Xun (Wind): The Gentle Wind of Wealth
- ☲ Li (Fire): The Radiant Fire of Clarity
- ☶ Gen (Mountain): The Mountain of Stillness
- ☳ Zhen (Thunder): The Arousing Thunder of Action
- ☷ Kun (Earth): The Receptive Earth of Motherhood
- ☰ Qian (Heaven): The Creative Heaven of Power
- ☵ Kan (Water): The Abysmal Water of Wisdom
Frequently Asked Questions
The Dui trigram (兌, Lake) governs the West sector — the Children and Creativity Palace of the Later Heaven Bagua. This is where its key life influence concentrates: joy, creativity, communication and the youngest daughter.
The Dui sector is activated primarily through its element, Metal. Metal objects, especially round or oval ones, metal wind chimes, and white, silver or gold tones. Using the correct element in the right sector reinforces the trigram’s positive qualities — avoid the destroying element (Wood destroys Earth, Metal chops Wood, and so on) so the energy is not weakened.
In personal life, Dui represents joy, creativity, communication and the youngest daughter; pleasure and open expression. In health, it is associated with the the mouth, throat and lungs; communication. Understanding the trigram’s qualities helps you read both the sector of a home and the corresponding life themes and physical correspondences of classical Chinese metaphysics.
Dui belongs to the Metal element. This places it within the generating and controlling cycles of the Five Elements — so the right way to strengthen it is to feed it with its supporting element and avoid its destroying element in that sector of the home.
Dui is the Lake — joy, openness, communication and the youngest daughter — while Gen is the Mountain — stillness, focus, knowledge and the youngest son. Dui expresses and releases through Metal-yin energy; Gen contains and holds through Earth-yang energy. In the Ba Gua they are a complementary pair.