Tinnitus may be an adverse effect of aspirin enteric-coated tablets if taken in excess. Aspirin enteric-coated tablets belong to the common non-steroidal anti-inflammatory drugs, suitable for reducing transient ischemic attack, angina pectoris, acute myocardial infarction risk and cardiovascular risk factors (such as family history, diabetes mellitus, dyslipidaemia, etc.), to prevent recurrence of myocardial infarction, stroke, deep vein thrombosis and pulmonary embolism after major surgery, but also for arterial surgery or interventional procedures, and so on. Gastrointestinal discomfort (e.g., dyspepsia, abdominal pain, etc.) may occur after use of the drug, in addition to an increased risk of bleeding, such as bleeding during surgery, bleeding gums, epistaxis, etc., and dizziness and ringing in the ears when the drug is used in overdose. Contraindications include hypersensitivity to the product or other salicylates, asthma induced by the use of such drugs, severe cardiac, hepatic and renal failure, bleeding constitution, acute gastrointestinal ulcers, the last trimester of pregnancy, and prohibited in combination with methotrexate. The specific use of drugs should be under the guidance of a specialist.