Everyone is familiar with sit-ups, doing 30 at a time. After a period of persistence, you will find that the fat on your stomach is obviously decreasing. Although you will find backache when you get up the next day, don't worry about it. This is because when doing sit-ups, the exercise part is the stomach. Persistence will make the fat on the stomach change from soft to solid, and then gradually become a small waist. There is also cupping to lose weight, and the effect is also very good, but it should be avoided!