There are no authoritative studies comparing the efficacy of Rosuvastatin Calcium and Atorvastatin Calcium, and the specific efficacy varies from person to person, so it is not possible to say which one is better. Rosuvastatin Calcium and Atorvastatin Calcium belong to the same class of statin lipid-lowering drugs, both of which can be used to treat hypercholesterolemia and mixed dyslipidemia. There are no statistics on the efficacy of the two drugs, and the specific efficacy of the drugs may be affected by factors such as individual’s physical condition, severity of the disease, and other therapeutic measures, so it is not possible to give an accurate answer as to which drug is better. It should also be noted that Rosuvastatin Calcium is contraindicated in people who are allergic to it, pregnant and lactating women, or people with active liver disease, severe renal insufficiency, myopathy, etc. Adverse reactions such as headache and constipation may also occur during the course of the medication. Atorvastatin calcium is contraindicated in people who are allergic to it, pregnant and lactating women, and patients with active liver disease, and adverse reactions include myalgia and diarrhea. People who need statin drugs should choose and use the drugs according to the actual situation under the guidance of the doctor, and closely observe the efficacy and reaction of the drugs, do not blindly take the drugs or increase or decrease the dosage on their own, in order to avoid the adverse consequences.