To put it simply, Luantou mainly uses various physical mountains, waters, rivers, trees and so on to analyze and judge water diversion. For example, the gate faces a long road, that is, the gun is evil.
And regulating qi is to determine geomantic omen according to various temporal and spatial information such as the flying and falling of nine planets and the coordination of five elements, and to judge comprehensively by time and space. And qi can be understood as gas field.
Luan Tou School, such as Eight Houses, crosses Yin and Yang. As mysterious as air.