On the premise of ensuring a balanced nutrition, reduce the total intake appropriately, drink soup before meals, and be full at seven points per meal. You'd better keep standing after dinner. Within 30 minutes after a meal, if you don't move all the time, you are most likely to form abdominal fat. You can also do sit-ups, practice yoga, swim and run according to your own situation. Pay attention to scientific exercise and persist for a long time.