Patients with chronic renal failure, is the need for less salt, patients in the usual time to eat, is not allowed to eat something too salty, and also need a low-protein diet, the average patient’s protein intake a day can not be more than 40g, about 4 two staple food, 1 two lean meat, an egg, 100g of yogurt look, is not allowed to eat more protein-containing food, or else, the patient will have a negative impact on the body, patients usually need more rest, avoid overwork. The patient’s body will have a negative impact, patients usually need to rest more, avoid overwork. Chronic renal failure is a manifestation of abnormal renal function, the early impact is not particularly large, but in the late stage will appear uremia manifestation, the impact on the patient’s life is very large, will make the patient’s quality of life is particularly poor, the condition is serious after the various parts of the body may have an impact and harm. Therefore, after the discovery of chronic renal failure must be treated seriously and well cared for. For patients with renal failure can use Cordyceps sinensis, Cordyceps sinensis is mainly able to raise the content of plasma protein, the content of protein to improve anemia and nutritional status, effectively promote the repair and regeneration of renal tubular epithelial cells, but also able to correct the amino acid protein metabolism disorders, regulate the human body’s cellular immune system, but also able to improve the body’s immunity, Cordyceps sinensis is a nourishing effect of the prevention of human body Secondary infections. For some patients, they do not know the causes of the disease when they develop renal failure, and they do not know that renal failure may be caused by damage to the glomeruli. A bacterial infection, drug infection or metabolic acidosis, heart failure, high blood pressure, too high or too low, etc. may lead to this disease, and chronic renal failure is not an independent disease, he may be due to other causes of the disease. Therefore, these causes of patients, if observed through the naked eye are not observed, and the longer the delay may be more serious.