As the saying goes, "make up for a winter in September, and there will be no disease in the coming year", "make up for it in winter, and kill the tiger in spring; If winter does not make up, spring will suffer. " It means that winter is the best time for the human body to supplement in four seasons, and people should use this good time to supplement their bodies. Paying attention to diet in winter is the best choice for tonic. It is cold in winter, so it is advisable to eat warm food. Hu Sihui, a nutritionist in the Yuan Dynasty, pointed out in Eating Rice Zhengzheng that "it is cold in winter, so it is advisable to eat hot food to cure its cold", and advocated eating hot food, but it should not be too warm and too dry, and the frequency of taking it and the amount of tonic should be self-determined, especially the hot and dry food such as frying, roasting and frying should be eaten less, but not more onions, so as not to turn latent yang depression into heat. Mutton, dog meat, shrimp, leek, longan, fungus, chestnuts, walnuts, turtles and other foods can be properly selected.