Statistics on heart disease and stroke published by the American Heart Association in 2015 show that stroke has become the second leading cause of death worldwide. According to the 2013 China Medical Science and Technology Development Report, more than 1.5 million people die of stroke each year, with about 2.5 million new cases, 6-7 million survivors, and a disability rate of 75%, characterized by high morbidity, mortality, disability, and recurrence rates. At present, the incidence of stroke in China is increasing at an annual rate of 8.7%, and the annual cost of treating cerebrovascular disease is more than 10 billion yuan, plus indirect economic losses costing nearly 20 billion yuan, which is a heavy burden on individuals, families and society. Therefore, stroke prevention is particularly important. Stroke prevention: 1. Obese and overweight people should reduce their weight to reduce the risk of stroke. 2. Physical activity should be used to reduce the risk of stroke. 3. Adults (except some of the elderly and those who are not physically fit to exercise due to illness) should be physically active (e.g. brisk walking, jogging, cycling or other forms of aerobic metabolic exercise mainly) at least 5 days a week, 30-45m i n a day. 4.Diversify the daily diet to rationalize nutrient and energy intake; use balanced recipes that include fruits, vegetables, low-fat dairy products, and low total and saturated fat content. 5.Recommended low sodium intake and increased potassium intake, recommended salt intake ≤5g/d, potassium intake ≥3510mg/d. 6.Daily total fat intake should be <30% of total calories, saturated fatty acids <10%; daily intake of fresh vegetables 400-500g, fruits 100g, meat 50g, fish and shrimp 50g, eggs 3-4 per week; milk 250g per day. Eat less sugar and sweets. 7, it is recommended to eliminate or reduce the amount of alcohol consumption of alcoholics. 8, drinkers should be moderate, do not abuse alcohol, drinkers should not drink more than 25g of alcohol per day for men, women reduce by half. 9.Non-smokers should stay away from smoking environment, and smokers should quit smoking. 10.Interventions for smokers in the community population using comprehensive tobacco control measures, including: psychological counseling, nicotine replacement therapy, oral smoking cessation medication, etc.