Cerebral infarction is a disease with a high rate of disability, death and recurrence. To prevent the occurrence of cerebral infarction, we should prevent it from basic diseases, lifestyle and drugs to reduce the chance of recurrence of cerebral infarction in patients: 1. Patients should follow medical advice and take drugs to prevent recurrence of cerebral infarction. If the patient is considered to be because of lacunar cerebral infarction and cerebral thrombosis, he should take oral bye aspirin and clopidogrel hydrogen sulfate antiplatelet aggregation. If the patient has atrial fibrillation disease, take warfarin or rivaroxaban anticoagulation to prevent the dislodgement of blood clots.2. To prevent the underlying disease, strictly control the risk factors such as hypertension, diabetes, hyperlipidemia, etc.3. The diet should be low salt and low fat, and avoid spicy and stimulating food.4. In the lifestyle, we should participate in more physical activities and avoid smoking and drinking alcohol, which lead to the aggravation of atherosclerosis.