The cold can be an aggravating factor for middle-aged and elderly patients with cardiovascular and cerebrovascular diseases. Cold can not only cause strong vasoconstriction, resulting in increased blood pressure, but also induce hypertension, acute myocardial infarction, angina pectoris and cerebrovascular accidents, which can be life-threatening in serious cases. Therefore, in addition to regular diagnosis and examination at the hospital, you need to pay attention to the following aspects, you can prevent problems before they occur, and smooth winter. First of all, pay attention to warmth, the temperature difference between morning and evening in winter, the elderly and used to exercise early, there should be a suitable “temperature buffer”; pay attention to adding clothes when going out. Avoid walking sharply into the wind, the incidence of cardiovascular and cerebrovascular diseases tend to increase significantly when the wind cools down. Second, to exercise in moderation, avoid prolonged immobility. Long lying motionless will make the blood flow slow, the formation of thrombosis, but the morning wake up should not exercise, should be arranged in the afternoon about 4 o’clock, to slow walking, taijiquan mainly, not suitable for doing intense exercise. Again, do not blindly tonic, although winter is the best season for health, tonic, but patients suffering from cardiovascular disease, this time million should not blindly tonic, should eat a light diet, to maintain a balanced diet. It is advisable to eat more beans, fruits, milk, lean meat and other foods rich in vitamins and minerals, avoid spicy, greasy. In the morning, drink a glass of warm water to reduce blood viscosity and promote intestinal peristalsis. Drink water at other times, and eat 6-7% of each meal (this is very important). Finally, pay attention to maintain a calm and quiet, optimistic and confident emotions, not anxious, not dry, not annoyed, not angry, not overjoyed and sad. Take advantage of the strengths and draw nutrients from life to make yourself feel comfortable and happy. When you are not feeling well, lie down in bed, let someone around you call 120, wait for the doctor to come, do not walk, remember!