Changquan in Wushu consists of dozens of movements, and the completion time ranges from 1 min to 1 min for 20 seconds. Exercise intensity belongs to sub-limit intensity, and it is often carried out in the absence of oxygen. Because the practice of long boxing has the characteristics of movement, rigidity and weakness, and also contains a small amount of aerobic metabolism, it is beneficial to lose weight. Tai Ji Chuan is a soft, slow and light fist. According to the traditional practice method, Chen's old boxing practice time is 8 minutes; Yang's big frame was originally 8 minutes, but now it is 20 minutes; Wu style small frame 15 points. Breathing in practice is natural and belongs to aerobic metabolism. If the exercise intensity can be controlled at a moderate intensity, the body fat will be fully oxidized to achieve the purpose of losing weight.