Chinese medicine has accumulated a lot of experience and systematic theoretical guidance on the dietary contraindications of patients. The dietary contraindications for common clinical evidence of cold, heat, deficiency and reality are as follows: cold evidence: the appropriate principle is to benefit the temperature and the middle, dispersing cold and strengthening the brand. It is advisable to eat warm and hot food, avoid cold and cold food. Heat evidence: the appropriate principle is to clear heat, generate fluid and nourish Yin. It is advisable to eat cold and calm foods, and avoid warm and dry foods that harm Yin. Deficiency: For Yang deficiency, warm tonic is appropriate, avoid cold, Yang deficiency patients should not over-eat cold melons and fruits, cold and cold dishes and foods. Yin deficiency patients should be nourished, light, avoid warm, Yin deficiency patients should not eat all spicy and stimulating food, such as wine, onion, garlic, chili, ginger and so on. In general, patients with deficiency should not eat food that consumes qi and loses fluids, or food that is greasy and stagnant and difficult to transform. As most of the patients with deficiency evidence have diminished spleen and stomach function, it is difficult to digest and absorb, so they should not eat fatty, fried, coarse and hard food, the food should be light and nutritious. The actual evidence: refers to the actual disease, the actual evidence in the hot evidence, cold evidence are actual evidence. Diet should also be based on the evidence of the situation of both the symptoms and the root cause of the problem, or urgent to treat the symptoms, slow to treat the root cause, to seize the main contradiction with the medicine and get good results. For example, people with stagnant qi should avoid eating products that easily stagnate the stomach and intestines such as wai yam and potatoes, and people with a lot of phlegm should avoid eating phlegm-producing products such as fatty meat. In addition, patients are generally required to pay attention to the following aspects during treatment: Avoid cold and raw food, i.e., not to eat cold food, and too many raw vegetables and fruits. Avoid sticky and slippery: it is contraindicated for those who have poor nasal circulation and the beginning of external sensation, i.e. it is not advisable to eat glutinous rice, wheat and other indigestible rice and noodle food. Avoid greasy: for phlegm and dampness, external sensation and all deficiency evidence, that is, should not eat fatty meat, fried products. Avoid fishy: for wind-heat, phlegm fire, sores and rashes are contraindicated, that is, should not eat fish, shrimp, crab, mutton, dog meat, venison, etc.. Avoid spicy: for those who are hot, that is, should not eat onion, garlic, leek, chili, wine, etc. Avoid hair: for asthma, wind, sores and ulcers are contraindicated. The so-called hair refers to the food that can cause the recurrence of old diseases and aggravation of new diseases. In addition to fishy and spicy things, also includes such as goose, chicken head, pork, donkey head meat, etc.