5 pm to 7 pm is the best exercise time of the day. Because at this time, MM's physical fitness has reached the max state, and her heart rate and blood pressure have increased. If you do some high-intensity and long-term exercise at this time, you can not only lose fat quickly, but also help to improve the fatigue caused by going to work during the day. It should be noted that if mm exercises before meals, she should do slimming exercise before meals 1 hour; If you exercise after meals, you should exercise for an hour and a half after meals to avoid adverse effects on the stomach. In addition, the exercise time at night should not be too long. Generally, it can be controlled within 40 minutes. Excessive exercise will affect the quality of sleep.