Whether to take 5mg or 10mg of Rosuvastatin should be chosen according to the patient’s specific situation as prescribed by the doctor, the common starting dose is 5mg, for those patients who need more potent lowering of LDL cholesterol can be 10mg. Rosuvastatin is indicated for primary hypercholesterolemia or mixed dyslipidemia that cannot be adequately controlled by dietary control and other non-pharmacological treatments. It is also indicated in patients with pure familial hypercholesterolemia as adjunctive therapy to dietary control and other lipid-lowering measures, or when these methods are not indicated. The clinical dosage of Rosuvastatin is selected with reference to the patient’s lipid levels, and the usual starting dose of this product is 5 mg once a day. For those patients who require a more potent lowering of LDL cholesterol 10mg once a day may be considered as a starting dose that will control lipid levels in most patients. If necessary, the dose may be adjusted to a higher dose level after 4 weeks of treatment. Adverse reactions such as headache and nausea may occur with the use of this drug. Patients with severe renal insufficiency and myopathy should avoid using this drug. When choosing Rosuvastatin in the clinic, it is important to use the drug under the supervision of a doctor and choose the right dose.