2, people eat seven dishes a day, there is a certain scientific basis. At this time, with the coming of the Spring Festival, there are more and more vegetables. Eating assorted vegetables can adapt the stomach to the changes of seasons. Eating "seven dishes" on the seventh day of the first month is an ancient custom that can be preserved for a long time in Chaoshan, because of its kindness: people eat in a good mood. Eating seven kinds of dishes on the seventh day of the first month places people's hopes for prosperity, smooth sailing and good luck.