The winter solstice is a traditional festival in China, commonly known as the "Winter Festival". According to legend, the winter solstice is the earliest of the 24 solar terms and the first of the 24 solar terms. Moreover, the specific intersection time of winter solstice is exactly the same as that of the old and new calendars. As the "winter festival" in the four seasons, there is a folk proverb that "the solstice in winter is as big as a year". According to ancient records: "November winter solstice. The capital attaches great importance to this festival. Although it is in the hands of the poor, it is easier to get new clothes, prepare meals and enjoy the ancestors in a year. Officials put down their robots and celebrated the exchange, just like the Chinese New Year.