You can do sit-ups to reduce your stomach. The best time for sit-ups is at night, about 2 hours after dinner. When doing sit-ups, you should do them in scientific groups. Do 5 groups every day-10, and each group can do about 15. If the load is too heavy, reduce the number of groups appropriately. You can see the change in three days. It is really easy to lose weight now. At least you don't have to worry about staring at a big belly. (Lightning Fairy) You can refer to this open learning experience.