During the frost season, the weather is relatively dry, and the diet should be based on nourishing yin and nourishing lung. According to the viewpoint of TCM health preservation, people can eat more pears, apples, olives, ginkgo, onions, mustard and sugar cane by the principle of mild and moist. Especially sugarcane, when the climate is cold, it can be used to squeeze the juice with ginger, which can not only promote fluid production,warm yang, but also nourishes blood.