The so-called "Purple Qi", that is, the so-called "Qi of nine purple in the south" in Kanyu studies, because the image of divination is the sun, so the sun also represents "Qi of nine purple".
The ancients thought that the "purple gas" entering the door in the morning was an auspicious sign, symbolizing the prosperity and vitality of the family scene.
Pay attention to what:
The gate facing east normally is basically safe. The only thing to pay attention to is whether the gate is concave, because the concave gate is easy to make the house lifeless and has an impact on the health of the residents.
The way to turn geomantic omen with the gate facing east is that the two gates are opposite. Of course, the main murderer can turn geomantic omen by hanging a bead curtain.
The house was originally a place to gather gas for health, but now it is facing the elevator and stairs, and all the life in the house is sucked away by it. This is a big taboo.