The incidence of acute cerebrovascular disease (stroke) in China! Disability rate is high, and its morbidity and mortality rate is about 10 times that of developed countries, so the prevention of cerebrovascular disease should be paid attention to, and the tertiary prevention of stroke has been listed as one of the treatment principles of stroke in China. Stroke risk factors Stroke risk factors are some diseases or factors related to the occurrence of stroke, the important risk factors are: hypertension, advanced age, history of stroke, diabetes, heart disease, hyperlipidemia, smoking, alcoholism, obesity, family history of stroke, low blood pressure, high salt, high fat diet, etc. It has been found that narrowing of the blood supply arteries, especially the intracranial arteries, is a very important independent risk factor for stroke recurrence in Chinese people. Primary prevention of stroke – prevention of risk factors Cultivating good lifestyle habits, hypertension and atherosclerosis are the main causes of acute cerebrovascular disease attacks. Therefore, in order to prevent the occurrence of cerebrovascular disease, one should actively exercise in moderation, maintain a standard body weight, refrain from smoking and alcohol abuse, eat a low-cholesterol diet, have regular blood pressure checks, and take medication as prescribed by the doctor in order to control the risk factors for cerebrovascular disease. Secondary prevention of stroke Secondary prevention refers to striving for early diagnosis and treatment when patients have stroke aura or early manifestation of stroke, so as to reverse the disease or prevent its progress as much as possible, prevent the occurrence of disability, and prevent the recurrence of stroke to the greatest extent. Tertiary prevention of stroke Tertiary prevention is to take all necessary treatment and rehabilitation measures to reduce the death rate and disability rate for patients who have had severe irreversible strokes; for patients with residual disease, long-term rehabilitation training guidance and other measures should be taken to reduce the degree of disability and gradually improve the quality of survival and social adaptability of patients. At the same time, we should do a good job to prevent recurrence.