Try the following methods: turn the hula hoop. When turning the hula hoop, try to go down and let the hula hoop turn against the abdomen, which will help the fat burning cycle in the abdomen. Do sit-ups before going to bed or watching TV. Sit-ups are the biggest exercise for abdominal muscles. Sitting posture and standing posture are also more important. No matter standing or sitting, keep your back straight and your abdomen straight, so that the muscles of your abdomen will not relax and be obese over time. Some people's lower abdomen bulges because of intestinal flora imbalance. Eating more vegetables and drinking more fermented yogurt can adjust the intestinal flora, thus achieving the purpose of flattening the lower abdomen. If it is obesity caused by simple abdominal fat, you should pay attention to your usual dietary intake. Pay attention to the principle of low fat, high fiber and low sugar, eat more fresh fruits and vegetables, and don't eat midnight snack before going to bed. These are the magic weapons for fitness at ordinary times.