1.Adhere to antiplatelet drug therapy. Patients with atherosclerotic cerebral infarction need to take oral antiplatelet drugs for life to prevent reinfarction. Patients who have suffered from cerebral infarction must avoid the triggers of recurrence, adhere to the treatment of oral medication, moderate activities, and regular review to prevent recurrence of cerebral infarction.2. Regular checkups and consultation, patients who have suffered from cerebral infarction should regularly check blood pressure, blood sugar and blood lipids, and consult neurologists to help solve various problems according to their examination results.3. Change bad lifestyles, completely quit smoking and alcohol.4. Control weight. Obesity is a risk factor for cerebral infarction, and weight control should be achieved through diet control and physical exercise, with balanced dietary nutrition, more fresh vegetables and fruits, as well as cereals, reduced intake of saturated fatty acids and cholesterol, and salt intake controlled to within 6 grams per day.