To assess the risk of recurrence of cerebral infarction, the main thing is to do prevention and control of cerebral infarction risk factors, which includes monitoring of blood pressure, blood lipids, blood sugar, resting lifestyle changes, smoking cessation and other specific measures. It is also important to have a blood vessel examination of the blood supply to the brain to understand whether there are plaques and stenoses in large blood vessels, and to take active measures to deal with them, including intensive medication and, if necessary, stenting of the blood supply to the brain.