The rule in the south is that eating glutinous rice balls on the first day of the Spring Festival represents reunion and family harmony and happiness, which is also to win a good head.

Tangyuan, also known as Fuyuanzi, is one of the representative snacks of Han nationality in China. Tangyuan originated in the Song Dynasty, and its skin is mainly composed of glutinous rice flour, which is sweet in taste and warm in nature, and belongs to spleen, stomach and lung meridians. It is rich in carbohydrates, calcium, iron, riboflavin and niacin, and has the dietotherapy effects of tonifying the middle warmer, benefiting qi, astringing sweat and stopping diarrhea.