Dietary recipes for patients with renal failure are generally required to be light and avoid spicy food, specifically: 1, low-salt diet, generally require sodium intake of 2-3g per day, if there is severe edema and hypertension, control within 2g, and to minimize the intake of pickled products. 2, high-quality and low-protein, protein intake of 0.6-0.8g/kg per day, eggs, dairy products, lean meat, fish and meat. The main purpose is to delay glomerulosclerosis and renal function decline, and reduce the intake of vegetable protein, such as beans and their products.3. Phosphorus excretion is impeded after renal failure, and it is necessary to eat foods containing low phosphorus, such as potatoes, sweet potatoes, lotus root powder, cabbage, celery, tomatoes, etc.4. Carbohydrates should be supplemented to ensure the supply of calories, and to reduce the consumption of protein to reduce the burden on the kidneys, such as potatoes, lotus root powder, etc.5, Drinking water in moderation, according to the amount of urine and blood pressure and edema.6. Food intake rich in vitamins and iron, such as tomatoes, green leafy vegetables and cucumbers, etc.7. Fat content should be limited to vegetable oils, such as canola oil, corn oil olive oil-based. After renal failure is prone to hyperkalemia, to reduce the intake of bananas and oranges, life should quit smoking and alcohol.