Generally speaking, eight months of cerebral infarction half of the face cold is mainly caused by autonomic dysfunction and other reasons. Cerebral infarction eight months half face cold may be due to autonomic nervous regulation of vasoconstriction diastolic dysfunction. Autonomic dysfunction is also known as vegetative dysfunction, autonomic dysfunction belongs to a kind of functional disease of non-organic mental disorder, which can show different symptoms. The recovery period of cerebral infarction is followed by the postictal phase. In this phase, recovery becomes very slow and it is difficult to recover completely. If the function cannot be recovered, one should continue to insist on taking medication and rehabilitation training. For patients with cerebral infarction, it is very important to prevent recurrence, which requires long-term adherence to medication, control of underlying diseases, such as blood pressure, blood lipids, etc., and gradual improvement of symptoms so as to achieve a good prognosis. If the symptoms of cerebral infarction eight months half face cold, need to go to the hospital in a timely manner, under the guidance of physicians to clarify the cause of the disease, and give targeted treatment.