Health education for patients in renal failure emphasizes: 1. To control water intake, the daily fluid intake is equal to the previous day’s urine volume plus 500 ml. Due to the presence of renal failure, patients may have reduced urine volume, and if excessive water intake cannot be excreted effectively and adequately, swelling may occur, which in turn will increase the burden on the heart and lungs, so it is necessary to decide the amount of water to drink according to the patient’s previous day’s urine volume. 2, in the diet needs to be low salt, low fat, high quality, low protein diet, the daily salt intake is about half of the average Chinese. Patients should not have a large amount of oil and meat, try to be mainly vegetarian, protein intake is 6-8% of the average person, of which animal protein accounts for more than 50%. 3. Patients with kidney failure have a reduced immune system, so they should pay attention to keeping warm, do not be greedy for cold, so as not to have a cold, because once such patients have a cold, it may turn into pneumonia.