The diet of kidney disease patients pay attention to light, easy to digest, and avoid spicy food. Specifically as follows: 1, low-salt diet, the general requirement of sodium intake is 2-3g per day. edema severe combined with hypertension should be controlled within 2g, and to reduce the intake of pickled products as much as possible; 2, high-quality protein diet, daily protein intake is 0.8-1.0g/kg body weight plus the loss of urinary protein, eggs, dairy products, lean meat, fish, mainly, in order to prevent glomerulosclerosis and development of renal hypofunction. Also reduce the intake of implanted proteins, such as beans and their products; 3, water intake should be moderate, mainly according to the volume of urine, blood pressure and edema; 4, eat foods rich in vitamins, such as tomatoes and green vegetables, such as cucumbers and other foods; 5, fat content should be limited to prevent vascular sclerosis, mainly vegetable oils, such as canola oil, corn oil and olive oil.