Colds and upper respiratory tract infections are the most common respiratory diseases. Due to the low immune function of kidney disease patients, their own resistance is reduced, resulting in the invasion of other viruses, bacteria and other microorganisms, causing secondary infections, further weakening the patient’s ability to resist disease, which is also one of the reasons why patients with clinical kidney disease are prone to relapse and difficult to cure, often aggravating the condition of patients who have basically recovered and patients who have withdrawn hormones, and repeated attacks, which can easily form hormone withdrawal syndrome, through the antigen-antibody This can lead to immune complex nephritis through antigen-antibody reaction (bacteria and viruses can be used as antigens), which can aggravate the disease. In patients with renal insufficiency, it may even lead to renal failure. Therefore, it is important to prevent colds and upper respiratory tract infections to cure kidney disease and prevent recurrence, so it is necessary to prevent colds and upper respiratory tract infections. And to prevent colds and flu induction to do: 1, strengthen physical exercise, enhance physical fitness, increase immunity, improve resistance to disease; 2, pay attention to personal hygiene and the surrounding living environment, to avoid disease from the mouth; 3, pay attention to climate change, increase and decrease clothing at any time, to prevent cold, wind and rain; 4, during the flu epidemic, vaccination, pay attention to isolation, patients should wear masks, avoid going to public places, to prevent cross-infection, indoor air disinfection. Prevent cross-infection, indoor air disinfection to prevent infection.