Aspirin enteric-coated tablets are mainly used to reduce the risk of heart attack in people with cardiovascular risk factors, and need to be used for a long time or even life-long, how long to take varies from person to person. Aspirin can inhibit platelet aggregation and prevent the formation of thrombus, clinically it is mainly used to reduce the risk of heart attack in patients with coronary heart disease and suspected myocardial infarction, and can also prevent the recurrence of heart attack. This product needs to be taken for a long period of time, usually about 1~3 months, and some patients need lifelong medication. The appropriate dosing regimen should be chosen according to the condition, and the duration of dosing varies from person to person. Adverse reactions of this product include gastrointestinal and abdominal pain, dyspepsia, bleeding gums, etc. It is contraindicated for those who are allergic to this product, those with severe liver and renal failure, and those with severe heart failure. Please use the drug under the guidance of a physician, not blindly, so as not to cause the risk of bleeding.