Patients with cardiovascular diseases and the elderly in winter are not unable to exercise, but to exercise properly, and the reduction in exercise can also cause slow blood flow and elevated blood lipids. Therefore, the elderly should still adhere to daily exercise in the winter as far as possible, which is beneficial to enhance physical fitness, disease prevention and health care. However, it is necessary to reasonably arrange the time and manner of exercise and control the amount of exercise. The elderly should not exercise in the morning. In winter, you should wait for the sun to rise before exercising, to avoid the sudden cold stimulation of the body and the onset of disease. It is advisable to get more sunshine, and appropriate outdoor activities can be done in sunny and less windy weather. The elderly should not neglect to keep warm when exercising. When you start exercising, you should not immediately take off your outer clothes, and then gradually reduce your clothes after your body is slightly hot. When you finish exercising, you should wipe the sweat off your body and immediately put on your clothes to prevent catching a cold. The elderly should not exercise on an empty stomach, especially in the early morning when they first wake up, otherwise they may die suddenly due to hypoglycemia and heart disease. The elderly should get up after waking up in the morning for 5 minutes, get up slowly, eat properly, drink water and then exercise. The elderly should do some simple limb exercises before exercising to prevent ligament and muscle sprains. Choose a softer way of exercise, such as tai chi, walking, aerobics, etc., and should not participate in strenuous activities. Healthy exercise is not the longer the activity, the better, the key is to be persistent. When the elderly do exercise, the time should not be too long, the speed should not be too fast, as long as you can achieve the effect of exercise can be.