1. Cerebrovascular disease refers to the ischemic or hemorrhagic injury of brain tissue caused by various diseases of cerebral blood vessels, including cerebral atherosclerosis, thrombosis, cerebral vascular stenosis or occlusion, cerebral arteritis, cerebral artery injury, cerebral aneurysm, intracranial vascular malformation, cerebral arteriovenous fistula, etc.
 2. The causes of cerebrovascular diseases include dyslipidemia, atherosclerosis, lipohyaline degeneration, fibrin necrosis, fibromuscular dysplasia, vascular amyloidosis, vasculitis, venous thrombosis, vasospasm, etc.
 3. Cerebrovascular disease is related to family susceptibility, smoking, alcoholism, obesity, and long-term oral contraceptives.
 4. The clinical symptoms may vary according to the location and scope of the lesion, including limb dysfunction, dementia, language dysfunction, ataxia, dystonia, etc.
 5. Cerebrovascular diseases are generally treated conservatively in internal medicine. The surgical needle is used for patients with massive cerebral infarction, massive cerebral hemorrhage, and patients with intracranial aneurysms and arteriovenous malformations.
 6. Cerebrovascular disease can lead to disability or even death of patients.
 7. The prognosis of this disease varies according to different types of cerebrovascular diseases. The prognosis of patients with extensive cerebrovascular diseases is poor, while that of patients with focal cerebrovascular diseases is generally fair.