Polivir refers to clopidogrel bisulfate tablets, and the duration of clopidogrel bisulfate tablets varies from person to person, ranging from as short as 21 days to as long as a lifetime of medication, which may need to be discontinued at any time if complications arise. Clopidogrel bisulfate tablets belong to the antiplatelet aggregation drugs, mainly used to prevent atherosclerotic thrombosis, more commonly used in the treatment of cerebral infarction, acute coronary syndrome and other diseases, and the patient’s dosage time can vary from person to person. For example, it is pointed out in the cerebral infarction related diagnosis and treatment guidelines that for mild cerebral infarction, it is recommended to take double-antibiotic treatment for 21 days, and the drugs commonly used in double-antibiotic treatment program include clopidogrel bisulfate tablets and aspirin enteric-coated tablets, and the administration of clopidogrel bisulfate tablets can be discontinued and changed to single-antibiotic treatment after 21 days. For patients with coronary artery disease, especially for patients with coronary intervention, continuous dual-antibody treatment is generally required for more than half a year, and some patients may need a longer period of time, or even lifelong dual-antibody treatment, and clopidogrel bisulfate tablets can also be used as one of the choices of dual-antibody drugs. However, if serious complications, such as gastrointestinal bleeding, cerebral hemorrhage, etc., occur during the period of taking the drug, it is usually necessary to stop taking the drug immediately, and go to the medical institution in time; clopidogrel bisulfate tablets must be used safely under the guidance of a physician.