Exercise in winter has many benefits, because the natural factor of severe winter is very helpful to exercise and enhance physical fitness. Doing physical exercise in winter has some benefits for people:

1. Enhance the cold resistance of human body. In the struggle against the cold, people thicken subcutaneous fat, which is a natural "fur coat", which can not only generate heat, but also keep out the cold. At the same time, it also exercised the ability of the nervous system to regulate body temperature. In the case of climate change, it can adjust the process of heat generation and heat dissipation of the body in time, keep the body temperature constant and improve the cold-proof ability.

2. Enhance resistance to diseases. Winter sports, due to the stimulation of cold, need to increase heat energy, so that the metabolism in the body is more vigorous, and the red blood cells, white blood cells and gamma globulin that resist diseases also increase at the same time, which improves the resistance to diseases.

In winter, the temperature is low, generally indoor doors and windows are closed, and the air is turbid, which is not good for the body. Regular participation in outdoor physical exercise, more fresh air and more exposure to sunlight are extremely beneficial to physical fitness.

Winter physical exercise is also a good opportunity to cultivate and exercise the will, especially for cultivating young people's indomitable revolutionary will.

However, due to the low temperature in winter, slow blood circulation at the extremities, strong muscle viscosity, poor elasticity and ductility of ligaments and low flexibility of joints, we must pay attention to:

1. Be careful and fully prepared before exercise to prevent trauma.

2. When exercising outdoors, you should pay attention to the fact that the rest time should not be too long. Pay attention to wearing good clothes to keep warm when resting. In a particularly cold climate, attention should be paid to protecting the ears, face and face to prevent frostbite.

3. Pay attention to the method of breathing when exercising, and don't open your mouth to breathe, so as to avoid cold air directly stimulating your throat and causing upper respiratory tract infection and cough.

If you sweat during exercise, you must dry it in time and put on dry clothes to prevent catching cold.

People who have just participated in physical exercise, especially those with chronic respiratory diseases, had better exercise indoors in the case of poor climatic conditions.

6. Winter exercise should pay attention to the choice of sunny and sheltered places.