Under normal circumstances, the value of low-density lipoprotein is generally less than 2.6mmol / L, 50-year-old low-density lipoprotein 5.38mmol / L than the normal value of elevated, belongs to the dyslipidemia, you can take atorvastatin calcium lipid-lowering treatment. Atorvastatin calcium belongs to the statin class of drugs, can be up-regulated low-density lipoprotein receptor, accelerate the decomposition of low-density lipoprotein, to achieve the effect of lowering low-density lipoprotein. Elevated LDL is a key factor in the development of atherosclerotic heart disease such as coronary heart disease. Taking atorvastatin calcium to lower LDL levels can significantly reduce the risk of cardiovascular events. It is contraindicated in patients with active liver disease, pregnant and lactating women, and allergy. Adverse reactions such as myalgia and elevated transaminases may occur after taking the drug. Patients aged 50 years with LDL 5.38 mmol/L should visit a hospital and take medication under medical supervision.