There are different customs in the north and south of China during the winter solstice, and through historical development, a unique seasonal food culture has been formed. Some places in southern China have the custom of feasting on the winter solstice. Most places in the north have the custom of eating jiaozi on the winter solstice, and eating jiaozi has become the custom of most northern China people on the winter solstice. The ancients celebrated the winter solstice, which is one of the "eight festivals of the year", and there are many kinds of food for winter solstice festivals.