Tumor is a wasting disease, and unbalanced nutrition and malnutrition are common among tumor patients. Therefore, it is very important to promote appetite and strengthen nutrition for the recovery of tumor patients. In daily life, we should pay attention to reasonable nutrition, try to shift the food, eat more high protein, multivitamin, low animal fat, easy to digest food and fresh fruits and vegetables, do not eat stale or irritating food, eat less fumigation, baking, pickled, fried and salty food, and match the staple food with coarse and fine grains to ensure nutritional balance. Sour, sweet, bitter, spicy, salty five, each flavor has its special role. Sour can be astringent, astringent appetite; sweet can benefit the spleen and stomach; bitter can drain, dry damp, a small amount can be appetizing; spicy can also be appetizing; salty can pass down, soft firmness. Basically, all foods are the above five flavors, or several flavors mixed together. Patients recovering from tumor should choose foods with certain anti-cancer ingredients and softening and dispersing effects. Besides rice, wheat, millet and soybeans, chicken, goat and beef are qi-supplementing foods, which can be consumed by tumor patients with physical deficiency. Duck, tortoise, turtle, carp and whore are foods that are good for the spleen, sea cucumber, jellyfish, abalone, kelp, water chestnut and rhizome can soften and disperse knots and eliminate “lumps”, wood ear, monkey mushroom, shiitake mushroom, golden needle mushroom and other edible mushrooms have certain anti-cancer effects. In particular, shiitake mushrooms have more nutritional value than all other mushrooms, containing 7 kinds of essential amino acids, calcium, copper, iron, manganese and other emblematic elements, as well as various sugars and enzymes, which can improve and enhance human immunity. Vegetables, fruits and beans are rich in many kinds of vitamins and trace elements, which have certain anti-cancer and anti-cancer effects. For example, soybeans, cabbage and Chinese cabbage are rich in trace elements of molybdenum, tomatoes, carrots, cabbage and dates are rich in vitamins A, C and B. Among them, cabbage has the best nutrition, it contains many vitamins, more than tomatoes several times. Garlic moss, leek, cauliflower, cabbage, in addition to rich in vitamins, also contains indigo substrate that can increase the activity of aryl hydroxylase, which can resist the carcinogenic effect of chemical carcinogens.