The main component of zhizhikang is red yeast, which can regulate abnormal blood lipids, reduce blood cholesterol, triglycerides and low-density lipoprotein, increase high-density lipoprotein, inhibit the formation of atherosclerotic plaque and protect vascular endothelial cells. It can be used for hyperlipidemia and the adjuvant treatment of cardiovascular and cerebrovascular diseases caused by hyperlipidemia and atherosclerosis. It should not be used in patients with active hepatitis and unexplained elevated serum aminotransferase