If it is for the purpose of fitness, it is recommended to keep it at least 3 times a week, preferably more than 5 times. Depending on physical fitness, the ideal state is to swim for a period of time every day.

The best time for each exercise is 60 to 90 minutes, less than 60 minutes. After deducting the rest time, the exercise effect is not good; Over 90 minutes, you may feel tired. If you soak for a long time, your skin may be dry and dehydrated.

If the purpose is to lose weight, it is recommended to swim at a constant speed for more than 50 minutes, because calories are consumed at first, and fat begins to burn after 40 minutes.