The etiology of kidney tumors is still unclear, and the occurrence of kidney cancer is the result of the combination of many factors. Food and nutrition are closely related to the occurrence of cancer, and poor dietary structure is an important external factor leading to the development of cancer. High body mass index (obesity) and high blood pressure are two independent factors associated with increased risk of kidney cancer in men. The relationship between smoking and kidney cancer is also strong, as the duration of smoking is directly related to the prevalence, and it is believed that smokers have increased levels of various mutagenic active substances in the urine, and that dimethylnitrosamines in tobacco cause kidney cancer. Foods and drugs related to kidney cancer have been reported as follows: high intake of dairy products, animal protein and fat, low intake of fruits and vegetables are risk factors for kidney cancer, aromatic hydrocarbons, aromatic amines, aflatoxins, estrogens, coffee and diuretics can cause kidney cancer. In addition to tumor-related diet, most kidney cancer patients need to remove one kidney, which may cause renal insufficiency, or renal insufficiency has already occurred, so the diet should also pay attention to avoiding foods and drugs that affect renal function. Overweight or excessive obesity can easily lead to kidney cancer and increase the burden on the opposite kidney; 3. Red meat; 4, try to avoid sugary drinks, limit the intake of high energy density foods, especially high-sugar foods, or low-fiber, high-fat processed foods, such as hamburgers, French fries, etc.; 5, eat less food grilled: grilled fish, grilled meat should be avoided when the gravy burned. Directly on the fire grilled fish, meat, grilled meat can only be consumed occasionally. It is better to boil, steam or fry food; 6. Limit the intake of salt, especially for kidney cancer patients with renal insufficiency, not more than 5 grams per day. Pickles, kimchi, squash, salted bread, doughnuts, purple cabbage, rape, spinach, fennel, celery, goldenseal, radish, etc. should be eaten sparingly. Because these foods contain high levels of sodium per 100 grams. If you eat more of these foods, you are also increasing the amount of salt; 7. Eat more fresh vegetables, fruits, whole grains and beans. If the kidney function is normal, you should eat more green vegetables and fruits to supply sufficient vitamins. If the patient already has renal insufficiency, especially when the daily urine volume is less than 500 ml, vegetables and fruits should be consumed selectively. Because vegetables and fruits are generally richer in potassium, and in patients with oliguria of kidney disease, the potassium level in the serum are elevated. Fruits with high potassium content include watermelon, banana, pineapple, mango, date, melon, etc.; vegetables with high potassium content include amaranth, spinach, celery, carrot, bamboo shoot, potato, etc.; 8. Pay attention to food diversification, mainly plant food, which should account for more than 2/3 of each meal. When making recipes, we should combine lightness and high nutrition with high quality, soft and easy to digest with vitamin-rich, enough total calories, balanced nutrition and reasonable food structure; 9. There are many folk opinions on whether to avoid eating or not. Some advocate to avoid eating; some think not to avoid eating, and everything can be eaten. Some think that you cannot eat chicken, crab, beef, meat, carp and so on. Whether or not to avoid eating, Chinese medicine relatively advocates appropriate taboos, to Western medicine generally does not advocate taboos. Western medicine attaches importance to the relationship between diet and disease, and not all opposed to taboo, for example, food contaminated by aflatoxin, can not be eaten; burnt food is easy to make protein denaturation, pyrolysis and heat poly easy to produce polycyclic aromatic hydrocarbons compounds, harmful to the human body and do not advocate eating, smoked fish, bacon is not advocated to eat more, wine can reduce the body’s detoxification function and biological transformation function, so that immunity is reduced, wine in the body to increase the carcinogenic activity Wine increases the activity of carcinogens in the body and is cytotoxic, so it should not be consumed. Chinese medicine does not blindly and indiscriminately abstain from eating, but rather abstains from eating in a discriminatory and appropriate manner. It is generally believed that in the early and middle stages of cancer, the disease injures the fluid and rob the yin, and most of the disease is Yin deficiency and internal heat, therefore, in terms of dietary management, foods with pungent, warm, dry and hot properties should be avoided, and stagnant and greasy foods should be eaten less; in the middle and late stages of cancer, most of the cancer is deficiency and cold, so the diet advocates warming the spleen and stomach, benefiting the qi and blood, while foods with cold nature should be eaten less or not, and the combination of cold, hot, warm and flat flavors of food should be used to supply the total amount and the patient’s internal organs with cold and heat deficiency. The combination of food cold, hot, warm and flat taste, the total supply and the patient’s internal organs cold and hot deficiency. If you cannot distinguish between cold and heat, it is best to do so under the guidance of a Chinese medicine doctor; 10. No food is absolutely forbidden for kidney cancer patients, so do not consume some of the above-mentioned foods for a long time or in large quantities, which generally will not have irremediable effects on patients. Balanced diet is also important.