Kidney failure is divided into acute and chronic, most of the kidney function in acute kidney failure can be recovered, and some remains gradually become chronic kidney failure. So when acute kidney failure needs to be treated actively, through regular medication in hospital, such as blood loss needs to be supplemented with blood, water loss needs to be supplemented with water, active treatment of diarrhea, acute kidney injury may be recovered. If it is chronic kidney injury, recovery needs to be through dietary treatment and medication. Diet should be a low protein diet, with appropriate consumption of eggs, milk and meat, and protein intake controlled at 0.6-0.8g per kg body weight, while reducing the intake of vegetable protein, such as grain and soy products. For medication, Western medicine is based on the treatment of the original disease, such as the treatment of hypertension, diabetes, chronic nephritis and other kidney diseases to reduce urine protein. Chinese medicine treatment, on the other hand, is to clear heat and detoxify, activate blood circulation and improve microcirculation of glomeruli, some chronic kidney diseases may be recovered and the progress can be partially delayed after treatment.