Long time sedentary lead to less exercise, the body consumes less calories, will lead to the accumulation of abdominal muscles. The first thing to do is to adjust your routine, don't be sedentary for a long time, exercise properly, eat less high-calorie, high-fat food, and don't eat too much before going to bed. You can choose to do sit-ups or jogging, stand for more than 15 minutes after meals, do not immediately sit down or lie down to rest. Drink less carbonated beverages, drink more warm water, to help the metabolism of the body's toxins, and eat more coarse food to maintain the smooth flow of stools.