Pingbu: refers to foods that can be eaten by both healthy people and patients to help maintain health and life, such as cereals, beans, milk, fruits and vegetables. This kind of food has mild properties and can be eaten by patients with yin deficiency, yang deficiency, qi deficiency and blood deficiency.

Warm tonic: refers to warm food, such as beef and mutton, eel, sweets, red dates, longan, litchi, onions, ginger and other spicy products. Women who are afraid of the cold in winter often eat this kind of food, which helps to improve the feeling of being afraid of the cold and thus enhance their physique.

Clear tonic: refers to cold foods, such as pears, raw lotus roots, celery, lilies, mung beans, cucumbers, turtles, snails, etc. , has the effect of clearing fire.