The first one is a relatively common treadmill. After running at a constant speed for 20 minutes to half an hour, you can do some aerobic exercise. Such as some elliptical machines, mountain climbing machines and other equipment. It can effectively exert force on the abdomen and reduce the fat on the stomach. The second is the action of squatting or sit-ups by professional coaches. Squats or sit-ups can not only exercise the abdomen, but also exercise the muscles. It has a strong ability to burn fat and shape, but it can also increase the strength of each muscle. The third kind can use dumbbell barbells, which can reduce the fat on the stomach. Pay attention to your diet after exercise and don't eat high-calorie food.