Yin and Yang have a wide meaning. Everything can be divided into Yin and Yang, such as the moon, darkness, earth, night, female, soft, weak, quiet, tired, winter, even number and so on. Yang is the sun, light, sky, sky, male, rigid, strong, prosperous, dynamic, healthy, gram, summer, odd number and so on. The principle of yin and yang is not immutable. Yin also has Yang, and Yang also has Yin. When things go to extremes, Yin and Yang begin to change, that is, the anode must be Yin and the cathode must be Yang.
2. Five elements
Refers to gold, water, wood, fire and earth. Gold dominates the cold, water dominates the cold downward, wood dominates the open-mindedness, fire dominates the heat upward, and the landowner grows and nurtures.
Correlation: Wood fires, fire produces soil, soil produces gold, gold produces water, aquatic wood.
Relations of mutual respect: Jin Kemu, Muketu, Tuke water, water, fire, fire and gold.
3. Ten days of dryness
Ten days' work is a, B, C, D, E, G, Xin, Ren and Gui. In the eight-character calculation, heaven and earth have yin and yang. For example, a, c, e, g, and nonyl are all yang; B, D, J, Xin and Gui are Yin.
4. Twelve Earthly Branches
The twelve earthly branches are Zi, Ugliness, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai. Among them, Zi, Yin, Chen, Wu, Shen and Xu Weiyang; Ugly, hairy, four, defensive, especially, hai is yin.