These drugs are widely used lipid-lowering drugs in clinical practice, and they are also potent lipid-lowering drugs, which are hydroxymethylglutarate monoacyl coenzyme A reductase inhibitors. These drugs can lower total cholesterol and LDL cholesterol in addition to raising HDL cholesterol. In addition, it helps stabilize plaque and improve endothelial function. It also has an anti-inflammatory effect and can make large plaques smaller, and small plaques can even disappear with long-term use. These drugs can also be used for diabetic dyslipidemia and are also used for primary as well as secondary prevention in patients with coronary artery disease. Patients are generally advised to start with 10mg/d, preferably after dinner, but in clinical practice it is recommended that this drug not be taken at the same time as aspirin or other drugs, as this may affect the efficacy of the drug.