For patients with nephrotic syndrome, the daily protein intake should be determined according to the amount of protein lost in the urine, generally 1.5-2.0g/kg body weight per day is moderate, with a high quality high protein diet such as meat, eggs, milk, fish is good. Yang Manqiong, Department of Pediatric Nephrology, Hunan Provincial People’s Hospital Patients with nephrotic syndrome should also supply a certain amount of calories (126 to 147 kJ/kg body weight per day for adults) and some trace elements such as calcium, iron, etc. and microbiotin A, D, B2, C, etc. in a timely manner. The intake of fatty substances should be limited to a low cholesterol diet with little oil, and should also avoid fishy seafood, shrimp, crab, pickles, sweet noodle sauce, curd, salted meat, sausage, bacon and other fatty and salty foods, tobacco, alcohol, vinegar and other stimulating foods and spicy products such as garlic, leeks and onions, and cold fruits should also be avoided. Some foods with high sodium content such as beef jerky, beef pine, shrimp skin, sea cucumber, puffed eggs, salted duck eggs, instant noodles, doughnuts, squash, nori, etc. should also be avoided. Daily light meals are preferred. 1. Asymptomatic proteinuria or hematuria, or the recovery period of various types of kidney diseases, do not need to deliberately restrict the diet, only moderate reduction of protein or salt intake is needed. Patients with renal insufficiency should limit protein, reduce the intake of protein, such as poultry, seafood, soy products, etc., to help reduce the pressure on the kidneys, thereby protecting the kidneys. However, the protein should not be reduced too little or even malnutrition occurs. 2, the presence of water and sodium retention, edema, water and sodium intake should be limited, especially in the presence of heart failure, severe hypertension should be strictly limited, or even take a salt-free diet. After the heart failure is corrected and the blood pressure is normal, the original diet should be restored. 3. Ensure sufficient calories, especially for children and adolescents at the stage of growth and development. If the intake of calories is affected in order to restrict protein or sugar, it will affect the growth and development of children, and malnutrition and other changes will occur. For patients with chronic kidney failure, it is especially critical to ensure adequate calories. For obese diabetic nephropathy patients, pay attention to control the calorie intake. 4.Protein intake should be mainly high-quality protein (>1/2), and the specific intake should be determined according to the degree of renal insufficiency and the patient’s specific condition. 5.If the blood potassium is too high, it can lead to cardiac arrest, so it is necessary to limit the food containing high potassium. Such as leafy vegetables, fruits, fruit juices. Kidney patients should emphasize dietary therapy for the following diseases: acute and chronic nephritis, nephrotic syndrome; diabetic nephropathy; uric acid nephropathy; urinary stones; chronic renal failure; acute renal failure, etc.