Professional training for swimmers: 1000m per day is appropriate. Amateur swimmer: 200 meters or 500 meters per day is appropriate. Swimming is a skill that people float upward under the buoyancy of water and make their bodies move regularly in the water by virtue of buoyancy.

Swimming can be divided into competitive swimming and practical swimming. Competitive swimming is the second largest event in the Olympic Games, including butterfly, backstroke, breaststroke, freestyle and synchronized swimming.