Winter swimming can improve cardiovascular function, improve body resistance and keep fit. However, as a sport, winter swimming should pay attention to some matters in case of illness or injury. Today, Bian Xiao tells you four things to pay attention to in winter swimming. In addition to swimsuits, goggles, swimming caps and other equipment, you must bring slippers when swimming in winter to avoid catching cold on your feet; After a rest or bath, bring a bath towel or towel coat to keep warm. In addition, the room temperature in the swimming pool is high and the humidity is high. It is recommended to wear clothes that are relatively simple, easy to put on and take off, and have good warmth, so as to change clothes. Compared with summer, getting ready for swimming is the key. Because of the low temperature in winter, the joints are fragile. You must move all your joints before you go into the water. It is recommended to do more stretching exercises such as vertical jumping, shoulder pulling and arm shaking, and focus on warming up the legs, arms and waist to prevent cramps during swimming. Generally speaking, the preparation time is about 5- 10 minutes, and it feels a little red, just a little hot. Many swimmers don't pay attention to keep warm when resting or going to the toilet, which leads to a rapid drop in body temperature and a cold. The human head is the easiest to dissipate heat. If the hair is wet after using water and showering, it will easily lead to rapid heat loss. Therefore, put on a bath towel after taking a break, dry your hair in time, and get dressed after taking a shower. If possible, it is best to swim by blowing. You should master the appropriate amount of exercise, make a reasonable fitness plan according to your age, gender, health status, exercise foundation, physical characteristics and exercise habits, and persevere to achieve the best exercise effect.