Statins are lipid-regulating drugs, this drug belongs to the hydroxymethylglutarate monoacyl coenzyme A reductase inhibitors, the main effect is to reduce serum total cholesterol and low-density lipoprotein, the strongest effect on low-density lipoprotein, the ability to reduce serum total cholesterol followed by the ability to lower triglycerides is very weak, the role of high-density lipoprotein has a slight increase. This kind of drug 2 weeks to see the effect, 4-6 weeks to reach the peak effect, continue to take orally to play a maintenance role. In addition to their lipid-regulating effects, statins also have the function of improving vascular endothelial function, anti-thrombosis, anti-inflammatory, antioxidant, renal protection, anti-immunity, anti-osteoporosis and other functions. Therefore, in addition to the clinical use of statins to regulate lipids, but also used to prevent the occurrence of cardiovascular and cerebrovascular diseases and treatment of nephrotic syndrome. The side effects of rhabdomyolysis should be noted, which may occasionally lead to elevated liver transaminases, and should be used with caution in patients with liver disease.