Put some copper coins at the entrance.

1. For those families who need to deal with money, it is best to put more coins, and it is best to put 8 coins, which means that the financial resources are rolling in.

2. If you have a patient at home or are unlucky, you can put six coins, which means you are lucky.

3. If someone in the family is an official, or someone wants to take the political road, you can put seven coins, which means stepping on the Big Dipper for good luck.