Low LDL cholesterol generally does not need to be treated. When the HDL cholesterol is low, the risk of coronary heart disease will increase, and can be treated with statins, beta, niacin lipid-lowering drugs. 1. Statins: Commonly used drugs include simvastatin, lovastatin, atorvastatin, resuvastatin, etc., which can raise HDL cholesterol, delay the progress of thrombus plaque and stabilize the plaque. 2. Beta drugs: commonly used drugs are fenofibrate, zaphenibrate, etc., which can raise HDL cholesterol and effectively prevent the occurrence and development of atherosclerosis. 3. Niacin drugs: mainly acipimox, niacin, etc., can inhibit lipolysis, can raise HDL cholesterol. These drugs above have different degrees of adverse reactions, such as gastrointestinal discomfort, liver function impairment, muscle toxicity, etc. When taking these drugs, must be strictly in accordance with medical advice under the guidance of a doctor. In addition to low-salt, low-fat, low-sodium diet, strengthen physical exercise and so on.