1, suitable distance: about 5 kilometers, and the amount of exercise is suitable for most people. According to everyone's physique and physical condition, that is, to achieve the purpose of exercise, the body generally does not feel too tired. It won't affect normal work and study. After a long time, most people can persist.

2, the appropriate time: running about 5 kilometers, the time is about 30-40 minutes, plus warm-up stretching and relaxation, basically controlled at 1 hour. For those who have the habit of getting up early to exercise, they will not feel that time is not enough. After the exercise, others may still be sleeping.

3, the intensity is right: some people run very well, more than ten kilometers a day, of course, not to say that more than ten kilometers is not good. But from a health point of view, running is not a competition, not a competition, and the longer you run, the better. Sweating, feeling relaxed and comfortable, and achieving the purpose of exercise is enough.