The dietary management in the daily life of chronic renal failure patients is very important, and the development of the disease can be slowed down through effective dietary control. Foods that cannot be eaten are: 1) sodium-containing salt and its products, such as salted vegetables, salted duck eggs, soy sauce and monosodium glutamate; 2) foods with high sugar content, such as various beverages and some fruits; 3) protein control is especially important to reduce the intake of vegetable proteins, such as beans and their products, and increase the intake of animal proteins, such as eggs, milk, fish and lean meat; 4) limit the intake of potassium, because the excretion of potassium after renal failure is Because the excretion of potassium is hindered after renal failure, potatoes, bananas, oranges, grapes, as well as dried fruits and melons are not eaten as much as possible; 5, reduce and limit the intake of phosphorus, such as animal offal, nuts, etc.; 6, low-fat diet, weight control, reduce vascular sclerosis, use vegetable oil cooking, such as corn oil, olive oil, etc., to stop smoking and limit alcohol.