Cerebral infarction, mild can return to normal. In new cerebral infarction, symptoms of transient dizziness, black blindness, slurred speech and numbness of limbs appear. If the patient is immediately seen in the hospital and given intravenous fluids for active treatment, most of them do not leave sequelae. Large cerebral infarction or cerebral infarction for too long without timely treatment. It is easy to have sequelae such as poor limb movement, difficulty in swallowing and slurred speech. Therefore, patients with long-term hypertension, diabetes, hyperlipidemia and atherosclerosis should pay attention to the presence or absence of symptoms and need to seek medical consultation immediately once they have symptoms of cerebral infarction. Control blood pressure, blood lipids, blood sugar, low salt and low fat diet, and body weight. Regular outpatient follow-up to monitor changes in blood pressure, lipids, and blood glucose.