The benefits of swimming are that it can shape the body, improve physical fitness, increase lung capacity, adjust the mental state, and improve the flexibility of joint movement. 1. Exercise shape, improve physical fitness: swimming can consume the body’s heat, promote the body’s metabolism, improve physical fitness. 2. Improve lung capacity: During the process of swimming, you need to adjust your breathing, which is very helpful for improving lung capacity. 3. Adjustment of mental state: swimming can make people happy and full of energy, improve the quality of sleep, and reduce the occurrence of depression, anxiety and other diseases to a certain extent. 4. Improve the flexibility of joint movement: in the process of swimming, the pressure of joint weight-bearing is relatively small, which is conducive to exercising the flexibility of joints.