How to prevent recurrence after cerebral infarction is mainly dealt with from the following aspects: first, long-term oral antiplatelet aggregation or anticoagulation drugs according to the etiology, such as aspirin, clopidogrel, warfarin, etc.; second, plaque stabilization drugs, such as atorvastatin; third, if patients have hypertension and diabetes, they need to monitor blood glucose and blood pressure, and control blood glucose and blood pressure to normal Fourthly, if the CTA of the head and neck indicates intracranial stenosis, patients need to take oral statins for a long time, and if they have severe stenosis, they need to undergo endovascular stenting. Therefore, if recurrence is prevented after cerebral infarction, it is mainly dealt with according to the above aspects, and at the same time, if patients have long-term heavy smoking and drinking, they should pay attention to quit smoking and drinking.