Aspirin enteric-coated tablets act on the hypothalamic thermoregulatory center, will cause peripheral vasodilatation, but clinically not used as vasodilator drugs. Aspirin has antipyretic, analgesic, anti-inflammatory, anti-rheumatic effect, used in the cardiovascular system when the role of anti-platelet, used for myocardial infarction, coronary heart disease, unstable angina and other secondary prevention. Gastrointestinal adverse reactions are common after aspirin enteric-coated tablets, manifested as nausea and vomiting, epigastric discomfort, gastric and duodenal ulcer bleeding. Adverse reactions such as tinnitus, aspirin asthma, and hepatic and renal impairment may also occur. Note that hypersensitivity to NSAIDs, history of aspirin asthma, active peptic ulcer bleeding and its history are contraindicated in patients. Patients must use the drug under the guidance of a medical professional and strictly follow medical advice.