Patients with chronic kidney disease should be maintained from three aspects: 1. Adjust their mentality. Chronic kidney disease is a chronic disease, which requires long-term follow-up and timely adjustment of medication. Don't be impatient, have good patience, and be optimistic and positive. 2、 Patients with chronic kidney disease must have a low salt diet, and the salt intake is generally less than three grams. If the patient has chronic renal dysfunction, the intake of protein should also be appropriately reduced, with high quality and low protein as the main. High quality protein refers to eating eggs, milk, chicken, fish, rather than beef, pork, mutton, etc. 3、 Be sure to follow the doctor's advice, do not blindly believe in the folk prescription, which will lead to the aggravation of the disease, and visit the specialist hospital regularly.