In winter, if we insist on proper physical exercise, we can not only regulate lung qi, but also enhance the immune function of various tissues and organs and the body's resistance to external cold stimuli.

Jogging is an ideal exercise, which can enhance blood circulation and improve heart function. Improve blood supply to the brain and oxygen supply to brain cells, and relieve cerebral arteriosclerosis. Running can also effectively stimulate metabolism, increase energy consumption and help to lose weight and keep fit. For the elderly, running can greatly reduce muscle atrophy and obesity caused by inactivity; Reduce the aging of cardiopulmonary function; It can lower cholesterol, reduce arteriosclerosis and help prolong life. In recent years, scientists have also found that people who insist on jogging have little chance of developing cancer.

Hiking, insisting on lasting benefits, will make people out of fatigue and feel refreshed. But the way of walking is also very particular. Compared with other fitness activities, hiking should be the easiest to achieve.

Walking style: the effect is to relieve stress. Every time it is about 2 kilometers, the walking frequency is 50 ~ 70 steps per minute, 3 ~ 5 times a week, and the gait is relaxed. When walking, the head, shoulders, hips, knees and feet are in a straight line, and this posture called "spine impartiality" should be maintained throughout the walking process.

Stride: The effect is to strengthen bones and muscles. 2 ~ 3 kilometers each time, no less than 100 steps per minute, 4 ~ 5 times per week, and the stride length should be increased.

Race Walking: The effect is to control weight. Not less than 3 kilometers each time, not less than 100 steps per minute. Gait: Go all out, exert strength with 10 toes every step, and increase hip swing to make people feel upward, no less than 4 ~ 5 times a week. Walking race can reduce the possibility of hypertension, diabetes, cholecystitis, heart disease and obesity.

Conclusion: In winter sports, we should choose relaxed and mild sports with little exercise, and reduce mountaineering and ball games appropriately to prevent excessive exercise from reducing immunity and inducing diseases such as colds and pneumonia.