1, enhance myocardial function: the body consumes more energy when swimming. In order to meet the energy required by the moving organs, the blood circulation is accelerated, the heart load is increased, and the heart beats strongly, thus enhancing the myocardial function.

2, weight loss: when obese people exercise on the ground, because of their high weight, they are easy to fatigue, easy to damage the joints of lower limbs, and it is not easy to insist on exercise to lose weight for a long time.