Eat pancakes and eggs on the fourth day of the lunar new year. Folk proverb: On the first day, you have sex, on the third day, the zygote turns home, on the fourth day, the pancake spreads eggs, on the fifth day, the villain squeezes, and on the seventh day, seven people eat birthday noodles.

Eat "stacked baskets" and spread eggs and pancakes. Eating "stacking baskets" is an ancient custom. Generally speaking, on the fourth day of the fourth month of the lunar calendar, people will mix the leftovers of the Chinese New Year to make a hodgepodge, so that the leftovers can be "cleaned up" without wasting food. Solemnly declare: the answer is for reference only, please don't be blind _ superstitious.