Swimming needs the close cooperation of physical strength, breathing and other systems, which is a test for children's own physical fitness. By the time the child is five years old, his heart and lung function has been developed, and he can also meet the strength needed for swimming physically. It is a more appropriate choice to wait until this time to start learning swimming.

By learning to swim, children learn to hold their breath first, so the increase of vital capacity is bound to be an achievement and the respiratory system will be improved accordingly. Swimming can also make children's heart muscles more developed, and their heartbeat is slower but more powerful than their peers. Moreover, the role of water pressure is conducive to shaping a child's beautiful figure from an early age. Swimming, as an aerobic exercise, brings many benefits to children.