Eat or not eat? Traditional Chinese medicine has always attached importance to the way of health, pay attention to the maintenance of positive qi, that is, “positive qi within, the evil can not be dry,” said, which dietary regimen is one of the important elements, we not only pay attention to medication, but also should pay attention to therapeutic food. Chinese medicine, there is a “taboo”, in clinical work, often patients will ask: what can eat, what can not eat. In fact, the so-called “food taboos” or “mouth avoidance” is not a complete and absolute ban on certain food, but means not to eat or eat as little as possible, and sometimes a small amount of food can be consumed occasionally for the purpose of regulating appetite or supplementing nutrients. However, some tumors, such as breast cancer and other hormone-dependent tumors, should avoid eating estrogen-containing foods. The dietary contraindications and requirements of common tumors are generally introduced as follows. I. Avoid eating certain food according to the diagnosis and treatment Chinese medicine diagnosis and treatment with diagnosis and treatment to distinguish the disease’s yin and yang, surface and interior, deficiency and reality, cold and heat, gas and blood and other strengths and weaknesses; wind, cold, summer, moisture, dryness, fire and other disease evils, such as the severity; internal organs function and disease site and other pathological changes. According to these changes fasting certain foods, such as Yin cold evidence should not enter the cold food, such as turtle, turtle, loach, crab, etc.; such as hot and humid evidence should not eat spicy hot food, such as chili peppers, green onions, ginger, leeks and so on. Second, according to the physical strength of certain dietary contraindications plain people’s constitution often due to some innate deficiency, or after the conditioning is not week, or unreasonable lifestyle, or hobbies and habits of bad, or long-term fatigue, or emotional and mental stress and other factors, leading to physical changes, the formation of Yang deficiency, Yin deficiency, or gas deficiency, or blood deficiency, or kidney deficiency, or lung deficiency, or spleen deficiency and so on the type of constitution. For example, those with Yin deficiency and internal heat should avoid eating foods that harm Yin and help fire, such as cinnamon, deer antlers, ginger and scallions. Those with Yang deficiency and cold constitution should avoid eating foods that hurt Yang and help Yin, such as turtle, mud fish, loach, crab and so on. Avoid certain diets according to different tumor diseases Various tumors have different pathogenesis, so there must be different food avoidance requirements. Now, the main common tumors are roughly described as follows. Brain tumor should avoid smoking, alcohol, coffee, preserved food, moldy food, high-fat food, animal head, neck and tail, etc. Diet should be fresh and light, rich in nutrients. Diet should be fresh and light, rich in nutrients, vitamins, fruits and vegetables. Avoid smoking, alcohol, preserved food, moldy food, fried food, raw garlic, pepper and other stimulating food for nasopharyngeal cancer. Diet should be fresh and light, more fruits and vegetables, rich in vitamin C, B, E and other foods. 3. Avoid smoking, alcohol, stale food, moldy food, salty food and food with additives. Diet should be rich in nutrition, vitamin-rich food, walnuts, jujubes and other nuts and beanshell food. 4. Breast cancer should avoid estrogen-containing food or food that can be converted into estrogen (such as royal jelly), high-fat diet, fried food, animal fat, animal offal, fish, crab roe, animal head, neck and tail, high-sugar diet, tobacco, alcohol, additive-containing food, preserved food, moldy food and so on. Diet should be fresh and light, coarse and fine, fruits and vegetables, vitamin-rich and calcium-rich foods. Foods rich in calcium are especially important for menopausal women. Avoid smoking, alcohol, nitrosamine-containing foods (such as preserved foods, smoked foods, moldy foods, fried foods, etc.), old foods, coarse and hard foods, high temperature or cold foods, raw garlic, chili peppers, and other stimulating foods, avoid over-fullness of food, avoid fast food, and avoid overeating. Eating should be slow, suitable temperature, soft and light, rich in nutrition and vitamins. 6. Avoid smoking, alcohol, nitrosamine-containing food (such as pickled food, smoked food, moldy food, fried food, etc.), high salt food, fire-roasted food, rough food, sweet and sour food, old food, stimulating food such as chili pepper, avoid over-satiety and speedy eating. The amount of diet is moderate, digestible, rich in nutrition, rich in vitamins, more pasta, more meals and less food. 7, avoid high fat diet, high protein diet, low fiber fine food, preserved food, moldy food, animal fat, animal offal, animal head, neck and tail, fish and crab roe, animal fat, fried food, high salt food, smoked food. Diet should be light and fresh, digestible, rich in fiber, coarse and fine, fruits and vegetables, more meals and less food, comprehensive nutrition, rich in vitamins, and keep the bowel movement smooth. 8. Avoid drinking contaminated drinking water, moldy food, alcoholic drinks, pesticide-contaminated food, smoke, stale food, high-fat food, fried food, animal offal, animal head, neck and tail, and less spicy food for liver cancer. Diet should be fresh, fruits and vegetables, suitable for digestion, sufficient calories, rich in vitamins. 9, pancreatic cancer avoid smoking, alcohol, high-fat diet, high-protein diet, animal fat, fried food, preserved food, moldy food, animal offal, fish and crab roe, alcoholic beverages, coarse and hard indigestible food, less spicy and coffee drinks. Diet should be light, digestible, rich in nutrients and vitamins, more vegetables and fruits, and sufficient calories. 10. Avoid eating high-fat diet, animal fat, fried food, preserved food, moldy food, animal offal, animal head, neck and tail, fish and crab roe, and avoid satiety, smoking and alcohol. Diet should be fresh and light, fruits and vegetables, rich in nutrients and vitamins, suitable for digestion, drinking more water, eating more meals and less food. Kidney cancer and bladder cancer should avoid smoking, alcohol, sweetener, stale food, moldy food, preserved food and less spicy food. Diet should be fresh and light, drink more water, vegetables and fruits, rich in vitamins. Uterine cancer, cervical cancer and ovarian cancer should avoid smoking, alcohol, foods containing female hormones (such as royal jelly), fish and crab roe, high-fat foods, animal fat, animal offal, animal head, neck and tail, preserved foods, moldy foods and fine foods. Diet should be fresh and light, fruits and vegetables, coarse and fine, rich in vitamins, and keep the bowel movement smooth. 13. Prostate cancer and testicular cancer: Avoid smoking, alcohol, high-fat food, animal fat, fried food, androgenic and aphrodisiac supplements, and less spicy food. Diet should be fresh and light, fruits and vegetables, coarse and fine matching, rich in vitamins and vitamins, and keep the bowels unobstructed. Avoid certain diets according to the needs of various treatments Various tumors have different treatment purposes, and there are different steps in the treatment, so there are different requirements for food avoidance. For example, esophageal cancer and nasopharyngeal cancer should avoid spicy and hot food and rough food during radiotherapy. If various tumors are treated with chemotherapy, avoid eating raw and cold food, rough food, greasy and thick food and indigestible food, and avoid eating raw and cold food when using oxaliplatin in chemotherapy. Another example is the use of ginseng to treat weak patients should avoid eating radish. According to the emergence of complications, certain diets should be avoided. Tumor patients often suffer from various complications, such as fever accompanied by epiglottitis, should avoid eating supplements and greasy food. If there are symptoms of edema and ascites, avoid eating foods with high salt content. If abdominal distension and gas are present, avoid eating yams, milk and other indigestible foods. If there is upper gastrointestinal bleeding, fasting should be avoided, or gradually eating a non-slag diet. Attaching importance to nutrition and enhancing anticancer ability Generally speaking, tumor patients are often accompanied by malnutrition, chronic anemia, physical weakness and even malignant disease, so they should pay attention to the dietary nutrition of tumor patients, give more high protein, high calorie, high vitamin and easy-to-digest food, and the nutrition should be comprehensive, and the structure should be reasonable, for example, eating more eggs, milk, lean meat, vegetables, fruits, fresh fruit juice and other foods. Enhance the patient’s physical condition, improve the immune function, as well as avoid eating certain hairy food in order to enhance the anti-cancer ability.