Aspirin enteric soluble tablets, according to the condition of different use of different dosage, generally the usual maintenance amount of 100mg per day, oral before meals. However, in the case of acute myocardial infarction, it is recommended that the first dose is 300mg, with an overdose, given as a chew for rapid absorption. To prevent recurrence of myocardial infarction or secondary prevention of stroke, the maintenance dose can be 100-300mg per day, as well as to reduce the risk of transient ischemic attack and unstable angina, also at a dose of 100-300mg per day.The use of aspirin enteric soluble tablets should be noted for adverse reactions, mainly gastrointestinal discomfort, stomach pain, stomach ulcer or stomach bleeding may occur, it is recommended to Use acid-suppressing and stomach-protecting drugs for treatment.