Cerebral infarction patients feel a little dizzy after discharge from the hospital, should monitor the blood pressure, blood pressure is too high or too low can cause patients dizziness. It may be caused by insufficient blood supply of cerebral arteries, mainly see cerebellum, brain stem blood supply insufficiency. Patients with cerebral infarction are prone to recurrence of cerebral infarction if they have risk factors such as high blood lipids, high blood pressure, and high blood sugar. Patients may also have atherosclerosis, which can easily cause insufficient blood supply to the brain. For patients with cerebral infarction, if dizziness occurs, it may also be seen in cerebellar and brainstem re-infarction, and cranial brain MRI should be examined to clarify the diagnosis. At the same time, it may also be caused by other reasons, such as fever, cold, mental stress, can be caused.