1. beginning of winter and the winter solstice are both solar terms in winter, which are very confusing. beginning of winter is the first solar term in winter, and beginning of winter will be ushered in on November 7th or 8th every year. The winter solstice is the fourth solar term in winter. The winter solstice lasts from December 21st to 23rd every year.

2. The custom of eating jiaozi is very universal. Many festivals and solar terms seem to eat jiaozi. On the dog days, you should eat jiaozi, beginning of winter jiaozi that day, jiaozi in the winter solstice and jiaozi in the New Year. However, these customs of eating jiaozi are mostly related to all parts of the north.

3. beginning of winter is a tonic solar term, and there is a proverb that "beginning of winter fills the winter and the mouth is empty". People in the north, especially in Beijing and Tianjin, love to eat jiaozi. Why does beginning of winter eat jiaozi? Because jiaozi comes from the saying of "the time of sexual intercourse". New Year's Eve is the turn of the old year and the new year, and beginning of winter is the turn of autumn and winter, so jiaozi can't help eating when she is "in love". Nowadays, people have gradually restored this ancient custom. On beginning of winter Day, all kinds of jiaozi are very popular.