The treatment of mild renal insufficiency includes primary treatment, symptomatic treatment, and lifestyle change. Mild renal insufficiency refers to the mild damage of renal parenchyma caused by various chronic kidney diseases, which leads to the renal function is not enough to meet the needs of the body’s normal life activities, thus showing a series of early clinical symptoms, and the general treatment is mainly carried out in the following aspects. 1. Treatment of primary disease: All kinds of primary diseases that can cause destruction of renal parenchyma may lead to mild renal insufficiency, such as IgA nephropathy, chronic glomerulonephritis, diabetic nephropathy, chronic interstitial nephritis and so on. Different causes, different treatments for primary diseases. 2. Symptomatic treatment: (1) Treatment of hypertension: patients with renal insufficiency are often accompanied by hypertension, which generally requires the application of antihypertensive drugs, preferred renin-angiotensin aldosterone receptor antagonists, such as captopril, enalapril, valsartan and so on. (2) Diuretic swelling: commonly used diuretics for patients with renal disease are thiazide diuretics, collaterals diuretics, etc. Common drugs are: hydrochlorothiazide tablets, furosemide and so on. (3) Reduce urinary protein: proteinuria is one of the early manifestations of renal insufficiency, and also further aggravates renal injury, usually use captopril, valsartan and other antihypertensive drugs that can reduce urinary protein and delay renal failure. 3.. Lifestyle change: patients with renal insufficiency should pay attention to diet and nutrition, change the dietary structure, consume a small amount of high-quality protein, and follow the doctor’s instructions for regular work and rest. If the symptoms of mild renal insufficiency appear, you should go to the regular hospital in time, and standardize the medication and treatment under the guidance of the doctor.