Patients who have suffered from cerebral infarction may not necessarily suffer from cerebral infarction again, but cerebral infarction is a disease with high recurrence rate and high disability rate, and the recurrence rate is generally around 40% in China. Patients who have had cerebral infarction must carry out standardized secondary prevention of cerebrovascular disease, and preventive measures are necessary to reduce the recurrence of cerebral infarction. Clinically, the main application of long-term anti-platelet aggregation therapy, the application of aspirin worship, affordable. Focus on the control of risk factors, such as limiting smoking, controlling blood lipids, blood sugar, blood pressure, diet should be light diet, low salt diet, pay more attention to physical exercise in general, and comprehensive treatment for these risk factors. In addition, patients with combined atrial fibrillation should also pay attention to the anticoagulation treatment of atrial fibrillation to prevent the occurrence of cerebral infarction and cerebral embolism. Only by effectively adhering to the secondary prevention of cerebrovascular disease can the recurrence of cerebral infarction be prevented.