The condition of chronic kidney disease patients is often easy to deteriorate in winter. First of all, the cold weather, people increase the intake of high protein food, excessive protein and sodium intake aggravates the burden on the kidneys. Secondly, during the seasonal change or abnormal weather, if the combined body immunity is reduced, causing cold, leading to inflammation in the body, the immune system is activated, which may cause immune damage, triggering episodes or relapses of kidney disease. Therefore, for the sake of their health, kidney disease patients should try to eat less high protein and high fat food, and people with poor kidney function should pay more attention to it. When you suffer from kidney disease, especially renal insufficiency, you face the problem of impaired excretion of protein metabolites. Daily protein intake is controlled at 0.6 to 0.8 grams per kilogram of body weight, and should try to supply high-quality protein, such as milk, eggs, lean meat, fish and shrimp. In the past, you can also eat less soy products to eat some. For some patients with oliguric nephropathy, to prevent hyperkalemia, it is necessary to reduce the consumption of fruits and fruit juices, vegetables and vegetable juices. Try not to eat salted products such as pickles, horse intestines, salted meat, air-dried meat, ham, sausage, preserved fish, bacon, salted eggs, preserved eggs and so on. Meanwhile, patients with kidney disease should insist on reasonable exercise in winter, such as walking, proper housework, etc., to improve blood circulation and enhance resistance to prevent colds.