The side effects of aspirin for men are not significantly different from those for women, mainly gastrointestinal reactions, neurological damage, allergic reactions and impaired liver and kidney function. 1. Gastrointestinal reaction: nausea and vomiting can occur after taking aspirin, and some patients may experience damage to the mucous membrane of the digestive tract, leading to gastrointestinal bleeding or ulcers. 2. Nervous system damage: patients taking aspirin can develop symptoms of tinnitus, and a few patients may even experience a decrease in energy. 3. Allergic reaction: some patients are allergic to aspirin and may develop asthma symptoms after taking the drug, and some patients may develop rhinitis symptoms, which are manifested as nasal congestion or difficulty in breathing. 4. Impairment of liver and kidney function: when taking large amounts of aspirin orally for a long period of time, it is possible to increase the load on the liver and kidney function, leading to serious liver and kidney function impairment. Aspirin is contraindicated in patients with aspirin allergy, active ulcers, active bleeding, severe hepatic and renal impairment, and hemophilia. Aspirin belongs to the antiplatelet drugs, mainly used in the treatment of ischemic cardiovascular and cerebrovascular diseases, such as myocardial infarction, cerebral infarction, etc., under the guidance of a physician to use the drug.