According to legend, the beast is a fierce beast, the ninth son of the dragon, who feeds on gold and silver jewelry. One corner is called "Tianlu" and the other two corners are called "exorcism". It is an ancient ceremony to put seven dimes of the same year into the shape of the Big Dipper. Copper coins are ok, in short, money. Under the brave, it is to seek wealth and fortune, which can suppress Feng Shui. At the same time, it also played a role in dispelling evil spirits in Huang Wu, especially in wealth. what can I say? This is a superstitious geomantic saying. Mainly depends on whether you believe it or not.