Whether it's a big festival or a small festival in the north, jiaozi is one of the indispensable delicacies. On the eighth day of the first month, when you wrap jiaozi, you put peanuts and coins in it. When eating jiaozi, whoever eats it is blessed.

Eight-treasure rice is a very auspicious number, and the beginning of the eighth day also indicates good luck, so eating some food related to eight is also an expression of prayer and longing for a better life.

Brown sugar cake "8" is homophonic with "hair", so we all choose to start work on the eighth day of the first month, which indicates that the work will be completed. The word "hair" in the cake is also homophonic with "8", so we can eat the cake.