On New Year's Day, northerners love to eat jiaozi, while southerners eat glutinous rice balls. Jiaozi stuffed with fennel nourishes the stomach and strengthens the spleen, which is beneficial to eliminate flatulence, moisten the intestines to relieve constipation and clean the intestines. Therefore, it's good to eat fennel in jiaozi on New Year's Day.

New Year's Day refers to the Spring Festival, that is, the China Lunar New Year, commonly known as "Spring Festival", "New Year" and "New Year's Eve". It is a folk festival that combines the old with the new, offering sacrifices to gods and ancestors, praying for evil spirits, reuniting relatives and friends, celebrating entertainment and food.