Kidney protection drugs are the following: 1, angiotensin inhibitors and angiotensin receptor antagonists: for the more general international, renal protective effect of drugs, collectively known as ACEI or ARB. ACEI is mainly priligy class drugs, such as Benadryl, Enalapril; ARB class is mainly sartan class drugs, such as valsartan, temisartan. However, ACEI or ARB should be applied differently according to the degree of renal impairment. Patients with creatinine > 268 μmol/L or kidneys with obvious bilateral renal artery stenosis should avoid using them as much as possible; 2. Commonly used kidney-protecting, protein-lowering and creatinine-lowering drugs: such as commonly used Jinshui Bao, urinary toxicity clearing, Haikun Renxi, Huangkui and medicinal charcoal tablets, whose main function is to protect kidney and lower protein; 3. Drugs researched by hospitals themselves; 4, Immunosuppressants: such as hormones, cyclophosphamide and a series of hormone therapy; 5. Compound keto acid tablets: Compound keto acid tablets mainly have a substitution effect, which can replace protein in the body, reduce protein intake in patients with kidney disease and delay the rise of creatinine.