Acute cerebrovascular disease (also known as cerebrovascular accident, stroke or strokes), is currently one of the three leading causes of death in the world. According to incomplete statistics, the annual incidence rate in China is 1.3-3 million people, and about 300,000-1 million people die from cerebrovascular disease every year, and it is increasing and getting younger every year. Once the disease develops, even 80% of the surviving patients have different degrees of disability. Not only the patients suffer, but also the burden to the family and society. Therefore, the prevention of stroke is the most important thing. So how to prevent it? First of all, we should actively treat diseases that are likely to cause stroke, such as hypertension, hyperlipidemia, diabetes, heart disease and so on. Among them, hypertension is the most dangerous factor. It must be treated consistently for a long time to keep the blood pressure within a safe range. Never just stop the medication or take it off and on, as this can make the blood pressure fluctuate or even rebound and affect the blood supply to the brain. Cerebral arteriosclerosis is the pathological basis of cerebrovascular disease. Prevention of cerebral atherosclerosis should start with children and adolescents, and cultivate a healthy lifestyle. Active preventive treatment in middle and old age can prevent the progression of the disease. It is important to avoid mental tension, irritability and anxiety, live a regular life, have a reasonable diet, low salt, low sugar, high potassium, high protein, eat enough vitamins, vegetarian oils, lean meat, fish, soy products, fresh vegetables, etc., do not smoke and drink less alcohol. Participate in physical exercise and labor within your ability. Avoid the triggers of stroke, including self-control of emotions, cheerful character, keeping a good state of mind, avoiding overexertion, preventing excessive satiety, paying attention to keeping warm in winter, getting up slowly at night, not changing position sharply, not taking a bath for too long, etc. Take the aura of stroke seriously, such as sudden aggravation of dizziness, conjunctival hemorrhage, nasal bleeding, vertigo, momentary slurred speech, drooling or numbness of one side of the limb in hypertensive patients, sudden dizziness, numbness of one side of the limb, numbness of one side of the limb, etc. The patient should consult a doctor in time for any sudden increase in dizziness, conjunctival hemorrhage, rhinorrhea, vertigo, momentary loss of speech, drooling or numbness of one limb, sudden drowsiness, abnormal mood, etc. If you can pay attention to the above points, you can prevent or delay the occurrence of stroke, so the key to prevent cerebrovascular disease is actually in your hands.