The manic period of a patient with cerebral infarction usually ranges from a few days to one month or even longer, the exact time varies from person to person and can depend on the location of the cerebral infarction. Cerebral infarction is a kind of infarction disease that occurs in the brain, after the occurrence of the patient’s blood circulation in the brain is affected, and then ischemia and hypoxia occur, which can lead to death in severe cases. Generally, because of cerebral infarction caused tissue necrosis, edema, intracranial increase and cause mania, this situation is mostly 3~5 days the most serious, and then will gradually improve, but there are individual differences. If the location of infarction is frontal lobe or temporal lobe, the patient’s agitation symptoms may last longer, and will persist in the acute stage, and will often improve in about 1 month, and some patients with post-stroke psychiatric disorders may last for several years or for life. Some patients with post-stroke psychiatric disorders may last for several years or for life. Patients need to actively undergo follow-up rehabilitation exercises, which can gradually reduce the manic symptoms, and can also be assisted with some psychotropic medications to improve the symptoms. If mania caused by cerebral infarction occurs, it is recommended to follow the doctor’s instructions to actively treat the patient to reduce the patient’s pain and improve the patient’s quality of life.