After the male 45 years old, if suffering from myocardial infarction, temporary cerebral ischemia, unstable angina and other diseases, a daily aspirin is better; if there is no disease, a daily aspirin is not recommended. Men 45 years old and suffering from myocardial infarction, temporary cerebral ischemia, unstable angina and other diseases, you can take an aspirin a day under the guidance of a doctor, can play a role in inhibiting platelet aggregation, preventing thrombosis and so on, help to stabilize the condition, delay the progress of the disease, the body is good. It is not good for men to take one aspirin a day when they are in normal health after the age of 45. Taking this drug in large quantities for a long period of time may cause a variety of adverse reactions such as bleeding, nausea, vomiting and reversible tinnitus. It is contraindicated for those who are allergic to aspirin and its components, those who are allergic to other salicylates, patients with acute gastrointestinal ulcers, hemorrhagic constitution, severe hepatic and renal failure, severe cardiac failure, and those in the last trimester of pregnancy. Patients should follow the doctor’s instructions to take aspirin medication correctly, avoid changing the dosage on their own, and blind use of medication is not recommended.