Whether an aspirin a day can be taken regularly depends on the patient’s condition, and for patients at high risk of thrombosis, long-term oral intake is required. Aspirin has the effect of inhibiting platelet aggregation, and is mainly used clinically to prevent thrombosis after transient ischemic attacks, myocardial infarction, atrial fibrillation, artificial heart valves, arteriovenous fistulae, or other surgeries. It is also used to treat unstable angina. For the above patients, you can use aspirin one a day for long-term treatment as prescribed by your doctor. Aspirin belongs to the western prescription drugs, the adverse reactions of the drug are nausea, vomiting, stomach pain, gastric distension, dyspnea, skin mucous membrane bleeding, urinary tract bleeding, gastrointestinal bleeding, cerebral hemorrhage, etc. It is forbidden to use it for patients who are allergic to the components of the drug, aspirin-related asthma, active hemorrhage, active ulcers, hemophilia. Clinical oral aspirin therapy, under the guidance of a physician to clarify the diagnosis, discomfort, please consult a doctor immediately.