Aspirin enteric-coated tablets once a day, should be used in accordance with medical advice. Aspirin enteric-coated tablets can inhibit platelet aggregation, as well as analgesic, antipyretic and anti-inflammatory effects, which can reduce the risk of acute myocardial infarction, prevent the recurrence of myocardial infarction, reduce the risk of stroke, reduce the risk of angina pectoris and so on. The instructions do not specify how many times a day it should be used, and the clinically recommended frequency of use is once a day. Aspirin enteric-coated tablets can be seen in dyspepsia, abdominal pain, bleeding and perforation of the present gastrointestinal tract, bleeding gums, hematomas, nosebleeds, urogenital bleeding and other adverse reactions. This product is contraindicated in acute gastrointestinal ulcers, hemorrhagic constitution, severe hepatic failure, severe cardiac failure, severe renal failure, the last trimester of pregnancy and other people. It should be used reasonably under the guidance of a doctor, and not blindly on its own.