The running time needs to be decided according to the individual training purpose. If you want to lose weight, it is best to arrange it for about 40 minutes before and after each training. If you want to enhance your vital capacity, you can arrange it twice a week for about 40-60 minutes each time. You should arrange it between 3-5 pm or 65,438+0 hours after dinner. If you go to the gym, it's best to arrange it at 3-5 pm, because this time period.