What effect does hanging a mirror on the door have on Feng Shui?

Generally speaking, rural people hang mirrors on their doors to ward off evil spirits. Everyone knows that there is a mirror in the drama to see evil spirits. Generally, hanging a mirror on the door also means looking at evil spirits with a mirror. Hanging a mirror on the door, monsters even make a detour, and will not disturb the peace of the host family, and the natural home is safe and disease-free

In addition, rural people have the habit of remembering doors. In general, if the family is not smooth or someone is sick, find a Taoist or monk to drive away ghosts and keep the house safe. Hang a mirror at the door after the ceremony to tell people that my door can't enter for the time being. If a stranger enters, the ghost will be attached to the person and enter the house again. Only after seven days or forty-nine days, when the ghost leaves completely, can the mirror be removed. Foreigners can visit their home.

It is also said that hanging a mirror at the door can gather wealth, and hanging a mirror at the door will surely lead to prosperous business and rolling financial resources, so no matter what kind of statement, it is a superstitious statement. How exactly, but it is not known. ?