It is good that students shake their legs without affecting others. According to the article in Yangzi Evening News, people are often sedentary. Long-term sedentary will lead to poor qi and blood, make muscles relax and reduce elasticity, and then lead to lower limb pain and fatigue. At this time, shaking your legs properly can promote venous blood flow, accelerate blood return, and relieve the feeling of soreness and fatigue. In addition, for women who love beauty, shaking their legs can also burn leg fat, which has a slimming effect.