Sit in a chair with your body and thighs at 90 degrees and your back straight. Put your hands on your thighs and grab the edge of the chair. Exert your stomach, count to five slowly, and try to lift your knees to your chest. Pause at a high point, and then slowly put down your body at a speed of slowly counting to five. This action can eliminate abdominal fat and tighten and contract abdominal muscles. But be careful, your hands don't need to be hard, just put them on your thighs easily. Moreover, the body can't lean on the back of the chair, and you must be able to clearly feel the stomach exerting force. Do this action according to your own ability, but at least six people at a time, without interruption. You can take a break and repeat a group, and then increase it slowly. You can exercise like this at ordinary times. You can massage with Fang Yi% Zilujing% oil before going to bed at night. You will lose a lot of weight in less than a month, but stick to it no matter what you do.