Clopidogrel bisulfate tablets are mainly used to treat ischemic cardiovascular and cerebrovascular diseases. In clinical practice, it is commonly used in the treatment of coronary heart disease, cerebral infarction, myocardial infarction, acute coronary syndrome, especially in the acute stage of acute myocardial infarction attack, and it needs to be taken for a long time after vascular stenting. Clopidogrel bisulfate tablets belong to the antiplatelet aggregation drugs, and its use mainly has the following aspects: 1. patients with recent myocardial infarction (less than 35 days), patients with recent ischemic stroke (from 7 days to less than 6 months) or patients with confirmed peripheral arterial disease. 2. Non-ST-segment elevation acute coronary syndromes, including unstable angina or non-Q-wave myocardial infarction, after coronary intervention with stent placement, often in combination with aspirin. 3. Used in patients with ST-segment elevation acute coronary syndrome, combined with aspirin in thrombolytic therapy. The use of attention to observe whether there is a bleeding tendency, such as gum bleeding, oral mucosal bleeding, gastrointestinal bleeding, etc., to regularly review the coagulation and liver and kidney function, etc., if necessary, reduce the dose or stop the drug, specifically under the guidance of a professional doctor to use the drug.