In the metaphysics of geomantic numerology, the door is a place to accept anger. The so-called qi means wealth, qi and arrogance. Collecting gas is also collecting gas, collecting the essence of everything in the world. Door punch refers to the fact that two doors are opposite, which leads to the mutual absorption of the essence between them, and eventually both sides lose, especially the door punch in home feng shui, which only hurts the owner of the house, that is, the door punch.