In recent years, the incidence rate of cerebral infarction has been increasing year by year, and the age of onset is getting younger and younger, which brings a lot of pain and pressure to the patients themselves and their families. In fact, cerebral infarction can be prevented. Lifestyle and dietary habits are closely related to the occurrence of cerebral infarction, such as smoking, excessive alcohol consumption, lack of sports and exercise, high salt and high fat diet, etc., all of which increase the incidence of cerebral infarction. Therefore, the prevention of cerebral infarction mainly starts from improving lifestyle, reasonable diet, appropriate exercise, quitting smoking and limiting alcohol, and controlling risk factors. Here is a detailed list of precautions in daily life: 1, low-salt and low-fat diet, it is recommended to limit the daily consumption of salt to less than 6g, and the daily intake of cholesterol to less than 300mg. You can eat more vegetables, fruits, cereals, moderate consumption of milk, fish, lean meat, etc., which can reduce the intake of saturated fatty acids. 2, appropriate increase of exercise, appropriate increase of exercise, appropriate increase of smoking and alcohol, control of risk factors, and prevention of cerebral infarction. 2, appropriate increase in exercise, appropriate increase in daily exercise and exercise, walking, jogging, dancing, playing ball games can be, but according to their own physical condition, pay attention not to exercise too much, to avoid fatigue, especially patients with combined cardiopulmonary disease. 3.Quit smoking and limit alcohol, it is recommended to quit smoking, alcohol can be appropriate to drink, not excessive drinking. 4, pay attention to weather changes, timely increase or decrease clothing, to avoid catching a cold. 5, drink enough water every day (heart disease patients or patients with previous heart failure to avoid excessive drinking water, so as not to increase the burden on the heart induced aggravation of heart disease). Avoid sitting for a long time, especially when watching TV, surfing the Internet or traveling long distance by car or airplane. 7.Actively control the treatment of diseases that can induce and aggravate cerebral infarction, such as hypertension, diabetes, atrial fibrillation, hyperlipidemia and so on (this is very important). 8, the psychological state and the occurrence of cerebral infarction is also very close, usually keep emotional stability, try to avoid anger, excitement and other bad emotions. 9. Regular physical examination every year to grasp the indicators of blood pressure, blood sugar, blood lipid, atherosclerosis, etc. and the overall health status of oneself. Secondly, there are some risk factors that can increase the incidence of cerebral infarction, but we can not intervene, such as: age (with age, the incidence rate increases), gender (men are higher than women), genetic factors (the father, the mother has coronary heart disease, cerebral infarction and other atherosclerotic diseases increase the risk of the children’s disease), the existence of these factors should pay more attention to the above precautions. In conclusion, cerebral infarction is preventable, and attention to the above precautions can reduce the risk of cerebral infarction.