Atorvastatin Calcium Tablet 20mg may need to be taken for a long period of time, depending on the patient’s physical condition and the severity of the disease. Atorvastatin Calcium Tablets are lipid-lowering drugs, generally used to treat hypercholesterolemia, coronary heart disease and other diseases. Hypercholesterolemia and coronary heart disease are chronic diseases that require long-term drug control. Especially primary hypercholesterolemia and mixed hyperlipidemia need long-term treatment to maintain the efficacy of the treatment, and the effect is also better. Atorvastatin Calcium Tablets may show abnormalities in liver enzymes, and may also show varying degrees of joint pain and diarrhea during administration. Some patients also experience acute renal failure secondary to myoglobinuria caused by rhabdomyolysis. This drug is not suitable for pregnant women and women of childbearing age at conception. If the adverse effects are severe, the drug should be discontinued and the patient should be hospitalized.