As a commonly used antiplatelet drug in clinical practice, aspirin can be more effective in controlling the occurrence of cerebral infarction and preventing recurrence of cerebral infarction. The recommended dose of aspirin for primary prevention of cerebral infarction is 75-100 mg/d, and the recommended dose of aspirin for secondary prevention of cerebral infarction is 75-150 mg/d. It should also be taken into account the patient’s condition, and if the control effect is not satisfactory, clopidogrel or other related drugs may be added. As a means to prevent the occurrence and recurrence of cerebral infarction. In the process of secondary prevention, in addition to the use of relevant anti-platelet drugs, attention should also be paid to the control of blood pressure, blood glucose and blood lipids, combined with daily dietary structure adjustment and appropriate exercise can help prevent the occurrence of cerebral infarction, and at the same time, smoking cessation, alcohol cessation and avoiding blood pressure fluctuations caused by mood swings and other relevant factors in daily life.