If atorvastatin is used in the treatment of simple hypercholesterolemia and other diseases, the majority of patients can be seen within 2 weeks of treatment, the maximum effect can be seen within 4 weeks of treatment, the specific time to stop the drug need to follow the doctor’s advice. If used in the treatment of chronic diseases such as coronary heart disease, it may require long-term or even lifelong medication. Atorvastatin belongs to the class of drugs to regulate blood lipids, mainly used for simple hypercholesterolemia, mixed dyslipidemia, or the combination of coronary heart disease, diabetes mellitus, symptomatic atherosclerotic disease treatment. If it is used for the treatment of simple primary hypercholesterolemia or mixed dyslipidemia, it is usually able to achieve obvious effect after about two weeks of taking the drug, and the maximum efficacy can be achieved after about one month of taking the drug; at this time, it can be discontinued after the doctor’s comprehensive assessment, or taken for a long period of time to maintain a stable therapeutic effect. If the drug is used for the treatment of simple hypercholesterolemia, mixed dyslipidemia, combined with coronary heart disease, diabetes mellitus, symptomatic atherosclerotic disease, it is necessary to take the drug for a long period of time, or even lifelong, so as to reduce the risk of non-fatal myocardial infarction, the risk of revascularization, the risk of angina pectoris, and so on. Secondly, the drug may cause liver enzyme abnormalities, rhabdomyolysis myopathy, fever, muscle fatigue and other discomforts after use, while it is prohibited for people with active liver disease and those who are allergic to the ingredients of the drug; breastfeeding is prohibited for nursing women taking the drug as the drug may be secreted into breast milk; monitoring of liver function is also needed to avoid damage in the process of using the drug. All of the above medications should be used under the guidance of a doctor, avoid self-medication to avoid adverse consequences.