One aspirin 100mg a day does not have a significant benefit, its role is to be able to inhibit the aggregation of platelets, can be used in the treatment of ischemic cardiovascular and cerebrovascular disease, but there is a risk of bleeding. One aspirin 100mg a day has the effect of inhibiting platelet aggregation, and small-dose aspirin is commonly used clinically for the treatment of ischemic cardiovascular disease, and the benefit of the drug is that it can reduce the risk of cardiovascular disease. Every drug has advantages and disadvantages, the benefit of aspirin is to inhibit platelet aggregation, the long-term use of this drug will increase the risk of bleeding, such as skin endothelial bleeding, gastrointestinal bleeding, etc., a few patients may experience cerebral hemorrhage, which is life-threatening. Adverse effects of aspirin include nausea, vomiting, abdominal pain, dyspnea, etc. It is contraindicated in patients with aspirin allergy, aspirin-associated asthma, active bleeding, active ulcers, and hemophilia. When taking oral aspirin for ischemic cardiovascular disease in clinical practice, use the drug under the guidance of a physician and pay attention to the adverse effects of the drug.