Hanging five emperors' coins above the store door has a very strong evil spirit effect. There is an outer ring inside the copper coin, which represents the sky, the inner ring represents the earth, and the middle emperor's year number represents the people. "Heaven, earth and man" have all three talents, so they have the ability to work against Kun and get the essence of "heaven, earth and man", so they can manage the house, turn evil into evil and make money.