Patients can adopt tumor immunotherapy method and pay more attention to diet. Patients can use tumor immunotherapy to continue treatment and pay more attention to diet. Two points should be noted in the diet after kidney cancer surgery: kidney cancer should avoid: fishy and spicy food, frying, crab, garlic, raw onion, cilantro, dog, wine, beef, mutton, coffee, five spices and all hairy things. The dietary principles for kidney cancer patients are as follows: 1. Choose foods to be diversified, provide the body with rich nutrition, and eat more fresh vegetables and fruits. Eat more starchy foods, including adequate supply of calories, sufficient quantity of high-quality protein and vitamins A, B1, B2, C, etc. Do a reasonable mix; consume foods with the effect of decomposing carcinogens – amyl nitrite, such as carrots and peas, and foods with the effect of enhancing the body’s resistance to cancer, such as mushrooms and shiitake mushrooms. Drinking green tea often has good effect of cancer prevention. Yang Guobin, Department of Oncology and Hematology, Xiangyang Traditional Chinese Medicine Hospital 2. Avoid eating moldy, fishy and spicy foods, fried, cilantro, dog meat and all hairy things. Don’t eat hot and salted food, don’t drink and smoke, and develop good living habits. 3. Pay attention to low-salt diet and eat light and easily digestible food. People with heavy edema and hypertension should avoid salt, limit the intake of protein food and drink less water. Patients without edema are not limited to salt. Those with microscopic hematuria and those who are suitable for fire should drink more water and eat more apples, white sugar, black sesame, fungus and other foods that lower fire in Yin. 4. Avoid: fishy and spicy food, frying, crab, garlic, raw onion, cilantro, dog meat, wine, beef, mutton, coffee, five spices and all hairy things. 5.People with heavy edema and hypertension should avoid salt, limit the amount of protein food and drink less water. If there is no edema, the intake of water and protein food should not be limited. 6.People with submicroscopic hematuria and those who are prone to fire drink more water and eat more apples, sugar, black sesame, fungus and other foods that lower fire. 7, nephrotic syndrome and other kidney disease large amount of proteinuria, can be limited to the food, high-quality protein. Such as milk, carp, adult daily intake of about 60 or so, and mainly high biological protein. The following two options are available: A: milk 0.5 in the morning, lean meat at noon, egg whites in the evening. B: two egg whites in the morning, lean meat at noon, egg whites in the evening. Low-salt diet, general daily intake of about 1 to 3, edema should be limited to 0.5 per day in severe cases, without diabetes, appropriate increase in sugar intake to ensure adequate energy and reduce the negative balance. 8, diabetic nephropathy, to drink more water, to maintain adequate urine volume, should be prohibited lentils, spinach, tea, coffee, animal offal, etc. 9, the diet of renal insufficiency: ① to refine the diet: in addition to the principle of low protein diet, should eat more starch to ensure sufficient heat, to determine the intake of water and salt according to the status of edema. ② Five low and one high diet: low salt, low fat, low protein, low phosphorus, low potassium and high vitamin. ③The following foods should be avoided: egg whites, animal offal, millet, edible mushrooms, nori, soy products, tea, oranges, melon seeds, peanuts, bananas; vegetable oil is strictly prohibited. ④ azotemia people daily protein 40 is appropriate (egg whites) two milk, lean meat). However, those with high potassium, meat cooked to soup before use. Diet should pay attention to low-salt diet, eat light and vitamin-rich food. People with heavy edema and hypertension should avoid salt, limit the amount of protein food intake and drink less water. Those without edema, do not limit the amount of water and protein food intake, those with microscopic hematuria and those who are on fire should drink more water, eat more apples, white sugar, black sesame, fungus and other foods that lower fire; nephrotic syndrome and other kidney diseases with large amounts of proteinuria, can be limited to food intake, high-quality protein. Such as milk, carp, adult daily intake of about 60g or so, and with high biological protein.