The facial change after swimming for half a year is to become soft, clean and firm. When swimming, water constantly rubs against human skin, which can make the skin relax and rest better, so people who often take part in swimming exercises have smooth and soft skin.

Swimming is a kind of healthy aerobic exercise, and it is a skill that people float upward under the buoyancy of water and make their bodies move regularly in the water through regular movements of their limbs. The Olympic Games include butterfly, breaststroke, freestyle and backstroke. Modern people also regard swimming as a fitness program, which can exercise people's lung vitality.

For people who love sports, experiencing the pleasure of sports, in addition to the role of physiological and chemical substances, can also stimulate positive feedback and stick to it. For example, a healthy body shape and a balanced body shape will make people more confident. Obtaining a sense of accomplishment brought by a skill will enhance a person's learning ability and motivation, make people more focused, have the spirit of continuous trial and innovation, and be willing to take the initiative to learn and progress.

Precautions for swimming:

1, swimming in hot summer, in order to avoid the sun burning human skin, go to a cool place immediately after swimming, and after washing your body with water, you can apply some sunscreen. In thunderstorm weather, it is best not to go swimming to avoid being struck by lightning.

2. If your hands, feet and other parts of your body cramp during swimming, you should keep calm, relax your body, massage the cramped parts repeatedly and change your posture. For severe cramps that cannot be relieved after the above treatment, it is best to go ashore and rest.

3. In the process of swimming, if the ear gets water, you can lower the ear that has already got water, and then jump on one foot to promote the water in the ear to flow out.