Treatment of chronic renal failure in diabetes: 1. Smooth control of blood sugar, because there is renal failure, so oral hypoglycemic drugs can no longer be used, to use insulin to strictly control blood sugar levels. If it is the early stage of renal failure, you can symptomatically use detoxification and kidney-protecting Chinese medicines, such as renal failure Ning capsule, Jinshui Bao capsule, Haikun kidney hi capsule or urinary toxicity Qing granules to lower creatinine. If symptomatic, it can improve the symptoms and delay the deterioration of kidney function; 2. If there is anemia at the same time, folic acid tablets and erythropoietin can be used; 3. If blood pressure is high, calcium antagonists, such as nifedipine controlled-release tablets, can be used; 4. If blood creatinine has reached 500μmol/L, pre-dialysis preparation, such as arteriovenous endovascular fistuloplasty, needs to be done in time. If the blood creatinine reaches about 707μmol/L, it is necessary to consider hemodialysis treatment or peritoneal dialysis treatment.