Rosuvastatin is a lipid-lowering drug, which is mainly used for the treatment and prevention of patients with hyperlipidemia and coronary heart disease, and can significantly reduce the cholesterol level of patients. Its side effects mainly include rhabdomyolysis, kidney injury, and liver injury. 1.Efficacy (1) Hyperlipidemia: patients suffering from hypercholesterolemia or hypertriglyceridemia can take this drug orally to assist in lipid lowering. (2) Stabilization of arterial plaque: some patients with plaque formation in arterial vessels can take this drug orally to stabilize plaque and prevent it from falling off. (3) Secondary prevention of coronary heart disease: patients with coronary heart disease can take Rosuvastatin orally for a long time to prevent angina attacks. 2.Side effects (1) Rhabdomyolysis: muscle pain, skin rash, etc., need to be given with anti-allergic drugs such as loratadine tablets orally to ease the discomfort. (2) renal damage: after taking the drug can be found in proteinuria from trace elevated to 1-2 plus, 40mg, usually proteinuria symptoms will be slowly reduced with the increase in the course of treatment, the clinical need to pay attention to monitoring. (3) Liver injury: a small number of patients will experience elevated transaminases, most of them are mild, the drug can be discontinued to relieve the discomfort, and enzyme-lowering drugs such as polyene phosphatidylcholine tablets can be given. Patients who are allergic to the drug are prohibited, lactating women should use with caution, and patients with severe renal insufficiency need to adjust the dosage of Rosuvastatin Calcium during the use of the drug. Rosuvastatin needs to be taken under medical supervision.