Evolution of geomantic omen

Geomantic omen began to be associated with folk witchcraft in Qin and Han dynasties, and it was related to the life, divination and physiognomy of the five arts. It is also said that the basic composition of divination comes from the Book of Changes, and it is divided into folk beliefs such as the method of guarding wells and the method of watching yin houses. Its main schools are trichotomy, trichotomy and nine planets method. The word Feng Shui was first seen in Guo Pu in the Jin Dynasty: "Qi dispels by the wind, and the boundary water stops. The ancients gathered to make it last forever, and the deeds stopped, so it was called Feng Shui. "