The correct way to take Atorvastatin Calcium Tablets is as follows:1. The usual starting dose is 10mg once daily.2. Dose adjustments are made at intervals of 4 weeks or longer.3. The maximum dose is 80mg once daily.4. The daily dosage of the drug may be taken in one dose at any time of the day and is not affected by meals. Atorvastatin Calcium Tablets are mainly used in the treatment of hypercholesterolemia and coronary artery disease combined with hypercholesterolemia or dyslipidemia. It works by inhibiting cholesterol biosynthesis in the liver thereby lowering the plasma cholesterol and serum lipoprotein concentrations, and enhancing the uptake and metabolism of low-density lipoproteins. Some patients taking the drug may experience adverse reactions such as nasopharyngitis, arthralgia, diarrhea, pain in the limbs, urinary tract infection, dyspepsia, nausea, skeletal muscle pain, muscle spasm, myalgia, insomnia, sore throat, and so on, once an adverse reaction occurs, it is necessary to seek medical attention. In addition, the use of the drug is contraindicated in patients with active liver disease, patients who are allergic to any component of the drug, as well as pregnant and lactating women. Different patients due to the severity of the disease, therapeutic purposes and complications of different, the use of drugs may be different dosages, the specific use of drugs also need to follow the doctor’s instructions, to avoid blind use caused by the occurrence of adverse events.