The treatment of renal failure includes the following aspects: i. Strict dietary management, low salt, high quality and low protein diet is recommended. Low salt refers to salt intake less than 3g per 24 hours, high quality protein mainly refers to the reduction of protein intake, calculated in kilograms of body weight, it is recommended that high quality low protein every 24 hours per kilogram of body weight 0.8-1g per day. two, the application of kidney preservation drug therapy, the most commonly used kidney preservation drugs are Jin Shui Bao, Bai Ling capsule, Haikun kidney hi capsule, urinary toxicity clear particles, ferrous succinate, compound alpha-keto acid, sodium bicarbonate Third, if the patient has uncorrectable heart failure, electrolyte metabolism disorders, such as hyperkalemia, oliguria or anuria, it is recommended to actively perform renal replacement therapy, such as hemodialysis, hemofiltration, peritoneal dialysis, hemodialysis filtration or renal transplantation.