After nephrectomy surgery, it is necessary to eat rice only 2~3 days after the patient’s anal defecation. It is recommended to take semi-liquid diet, such as rice porridge, meat porridge, meat soup and other easily digestible food. After the operation, pay attention to drink more water, avoid eating spicy, stimulating, easy to flatulence food. After nephrectomy surgery, before the patient’s anal exsufflation, food and water should be forbidden, and energy can be supplemented by intravenous rehydration. After 1 day of anal exhaustion, the patient should be fed with liquid diet, such as clear chicken soup, clear broth, rice soup, rice porridge, vegetable juice, etc. After 2~3 days of anal exhaustion, the patient can be fed with semi-liquid diet, such as rice porridge, millet porridge, pumpkin porridge, noodles, pasta and so on, and the patient can also resume the normal diet. However, the diet mainly depends on the patient’s own situation, and the resumption of diet should be gradual. It is important to pay attention to try to eat less food that is easy to cause flatulence, such as sweet potatoes, soy milk, potatoes, milk, soybeans, etc., to avoid burdening the stomach and intestines.