Because of its inhibitory effect on platelet aggregation, the main functions of aspirin enteric tablets are as follows: 1, can reduce the risk of morbidity in patients with suspected acute heart attack. 2, can prevent recurrence of myocardial infarction. 3, can be used as prevention of cerebral infarction, can reduce the risk of transient ischemic attack and secondary cerebral infarction. 4, can reduce the risk of morbidity in patients with stable or unstable angina. 5, can be used after arterial surgery or interventional procedures to avoid the formation of postoperative arterial thrombosis, can prevent deep vein thrombosis and pulmonary embolism. 6, can reduce cardiovascular risk factors, such as coronary artery thrombosis and pulmonary embolism. It can be used after arterial surgery or interventional procedures to avoid the formation of postoperative arterial thrombosis and can prevent deep vein thrombosis and pulmonary embolism after major surgery.6. It can reduce the risk of myocardial infarction attacks in patients with cardiovascular risk factors, such as family history of coronary heart disease, diabetes, hypertension, hyperlipidemia, obesity, smoking and age >50 years.