There is no optimal treatment for renal atrophy, and appropriate treatment should be chosen according to the cause of renal atrophy. For unilateral renal atrophy caused by renal artery stenosis, balloon dilatation or stenting can be performed to dilate the blood vessels, supplemented by anti-platelet lipid-lowering therapy. Bilateral renal atrophy caused by other renal diseases requires treatment of the primary disease and renal replacement therapy if necessary. If bilateral renal atrophy, the need for primary treatment, such as chronic renal insufficiency, the patient needs to lower blood pressure, reduce urinary protein treatment, if there is renal anemia and other various complications need to be erythropoietin and other corrective anemia. If chronic renal insufficiency is caused by diabetes mellitus, hypertension, etc., strict control of blood sugar and blood pressure is needed. If kidney function decreases more and reaches the level of uremia, kidney replacement therapy such as hemodialysis, peritoneal dialysis, etc. or kidney transplantation is also possible. Atrophied kidneys can’t be completely restored to normal, don’t believe in all kinds of prescriptions and secret recipes, it is recommended to consult a doctor in time, and standardized treatment under the guidance of a physician.