Risk factors for cerebrovascular disease: 1. Non-interventional factors include age, gender, race, genetic factors, etc. 2, interventional factors include hypertension, heart disease, diabetes, dyslipidemia, smoking, alcoholism, etc. Prevention of cerebrovascular disease: 1, control hypertension, hypertension can accelerate cerebral atherosclerosis. When the blood pressure rises suddenly, it can make this already hardened and fragile blood vessels rupture and bleed, and subarachnoid hemorrhage or cerebral hemorrhage occurs. It is important to monitor blood pressure and take regular blood pressure-lowering medications. The goal is to keep blood pressure below 140/90mmHg, and if combined with diabetes or kidney disease should be below 130/80mmHg. 2, control diabetes, reduce fasting blood sugar to below 7mmol/L. 3.Lowering blood lipid, there are lifestyle changes, low-fat diet, drug treatment and other ways. Select targeted lipid-lowering drugs according to the different lipid classifications, such as LDL cholesterol increase, statin lipid-lowering drugs are the preferred drugs. 4.Quit smoking and alcohol. 5.Take small doses of aspirin or clopidogrel. 6, patients with atrial fibrillation take warfarin.