γγThe common causes of cerebrovascular diseases are: a. Vascular wall lesions (arteriosclerosis, arteritis, congenital anomalies, vascular injuries and tumors) b. Cardiac and hemodynamic changes (hypertension, hypotension, various cardiac disorders resulting in cardiac dysfunction, etc.) Qiao Liang, Department of Internal Medicine, Utopia County People’s Hospital c. Blood composition changes and blood rheology abnormalities (increased blood viscosity, abnormal coagulation mechanisms, etc.) d. Other (extravascular factors such as Cervical spondylosis, tumors and other compression caused by insufficient blood supply to the brain, various emboli formed outside the cranium 1, factors closely related to the development of cerebrovascular disease: (also known as risk factors) including age: the incidence, prevalence and mortality of stroke increases with age.γγ2, family history: 3, hypertension or hypotension; 4, heart disease; 5, diabetes; 6, hyperlipidemia; 7, smoking and alcohol abuse; 8, obesity; 9, dietary habits, etc. These risk factors cannot be controlled such as age, family history, etc.; some can be controlled such as hypertension, diabetes, heart disease, dietary habits, etc.