Cerebral insufficiency refers to the reduction of blood flow in the cerebral arteries, which causes local cerebral tissue ischemia, and is divided into acute cerebral insufficiency and chronic cerebral insufficiency. Acute cerebral hypoperfusion, also known as transient ischemic attack, is a transient reversible cerebral hypoperfusion with a variety of symptoms related to the lesioned blood vessels (and cerebral ischemic sites), which can manifest as dizziness, blurred vision, hemiparesis, one-sided sensory impairment, unfavorable speech and other symptoms, lasting less than one hour. Irreversible cerebral infarction. Chronic cerebral ischemic attacks are most common in elderly people with cerebral arteriosclerosis. In addition, cervical spondylosis, hypotension, vascular spasm and other diseases can also cause cerebral insufficiency of blood supply, with various symptoms, most often manifested as recurrent dizziness, dizziness, headache symptoms, but also accompanied by symptoms such as heartburn, tinnitus, memory loss, inattention and so on. If not controlled in time, it can also bleed into serious conditions such as vascular dementia and cerebral infarction. When symptoms of cerebral insufficiency appear, patients are advised to go to neurology for timely treatment. After excluding organic diseases, symptomatic treatment is needed to delay the damage to the brain caused by cerebral insufficiency.