Dietary attention for renal failure has the following aspects: First, high quality and low protein: you can eat animal protein, such as lean meat, egg white, milk, and try to eat less vegetable protein, while paying attention to low protein diet. Second, low salt and low fat diet: control daily salt intake of less than 3g, avoid animal fat intake. Third, low potassium and low phosphorus diet: avoid potassium-containing food fruits such as bananas, citrus, etc., and avoid food containing more food additives such as cookies and processed meats. Fourth, eat more fruits and vegetables: such as apples, watermelon, cucumber, tomatoes, cabbage and so on.