Low-density lipoprotein 4.3mmol / L, more than the normal value, simple elevation of the condition is not serious, such as the combination of cardiovascular and cerebrovascular disease, the severity of the condition will be significantly higher. The normal value of LDL is between 0-3.37, 4.3mmol/L exceeds the normal value, for patients with simple elevated LDL, there are no risk factors, the condition is not serious, there is no obvious danger, you can control blood lipids through diet. LDL elevation if accompanied by multiple risk factors, such as smoking, hypertension, obesity, etc., and may even be accompanied by coronary heart disease, cerebrovascular disease, etc., the risk of the condition will be significantly higher, the need for oral medication to reduce the level of LDL down to 1.8 mmol / L, or possibly even lower levels. Patients with elevated LDL should pay attention to assessing the risk and choosing appropriate medication under the guidance of a physician. Commonly used medications are mainly statins, such as atorvastatin calcium and simvastatin.