When children with nephrotic syndrome have impaired kidney function, in addition to reasonable medication, the choice of food is also crucial. 1, nephrotic syndrome children with renal impairment can use part of the wheat starch (or corn starch, potato starch, etc., containing about 0.3% to 0.6% protein) as a staple food instead of flour and rice, and more food containing low protein and high caloric content such as potatoes, white potatoes, yams, taro, lotus root, water chestnuts, pumpkin, vermicelli, lotus root powder, rhizome powder, water chestnut powder, etc. 2, try to use animal protein food as the main source of protein, such as eggs, milk, lean meat, fish and shrimp, etc. Food containing high vegetable protein should be limited, such as dried beans, soy products, hard fruits and cereals; 3, vegetables and fruits can be used in regular quantities, in patients with renal failure with high blood potassium, must quit potassium-containing food fruits, such as sweet potatoes, potatoes, bamboo shoots, mushrooms, cabbage, squash, beans, peanuts and walnuts, etc. The fruit is good for the patient’s recovery. 4, avoid using all kinds of poultry, fish, meat soup.