There is no clear clinical time for taking Rosuvastatin, patients can use the drug at any time of the day. Rosuvastatin is clinically used to regulate blood lipids, applicable to primary hypercholesterolemia and mixed dyslipidemia that cannot be effectively controlled by dietary control and exercise therapy. In the drug specification indicates that patients can use the drug at any time of the day, i.e., patients can choose to take it when eating or fasting, which will not affect the efficacy of the drug. Some patients may experience adverse reactions such as headache, dizziness, nausea, abdominal pain, and fatigue after the application of Rosuvastatin. Rosuvastatin is contraindicated if the patient is allergic to the drug or is a patient with active liver disease or severe renal impairment. The drug is also contraindicated for special groups of people who use cyclosporine at the same time, pregnant women and women in labor. Patients are advised to take Rosuvastatin as prescribed by the doctor and not to use the drug on their own. During the use of medication, pay attention to the rationality of diet, avoid the intake of spicy and stimulating food, and also avoid drinking alcohol.