Because "round" means "reunion" and "perfection", eating glutinous rice balls on the winter solstice is also called "winter solstice group", which is a blessing for family reunion in the coming year. The meaning of eating glutinous rice balls on the winter solstice. 1, ancestor worship. The winter solstice group can be used to worship ancestors or to give gifts to relatives and friends. In the old days, Shanghainese were most particular about eating dumplings. There was a poem in the ancients: "Every family beats rice to make glutinous rice balls, knowing that it is the winter solstice of the Ming Dynasty. .”。 "Round" means "reunion" and "perfection". Eating dumplings on the winter solstice symbolizes family harmony and auspiciousness.