There are the following precautions after cerebral infarction: 1. Adopt a good diet and lifestyle. For example, quit smoking, reduce the intake of alcohol, eat a reasonable diet, take the principle of consuming foods low in fat and rich in high-quality protein, carbohydrates, vitamins and trace elements, appropriately increase physical activity and carry out regular physical exercise.2. Adhere to standardized secondary prevention treatment, including oral antiplatelet agents, anticoagulants, lipid-regulating and plaque-stabilizing drugs.3. Actively control hypertension, diabetes, hyperlipidemia, 4.Regularly review carotid artery and cardiac ultrasound, ECG, TCD, EEG, lipid, blood sugar, liver and kidney function tests to assess the risk of recurrence of cerebral infarction and the effect of treatment.