Many women have big bellies after giving birth. Postpartum scientific diet is the key to prevent postpartum obesity. Don't overeat after delivery, so as to make the abdomen slim down. You can rub your stomach. When practicing, lie on your back on the bed, put your hands on your abdomen clockwise and draw circles back and forth. You can hold your breath and lift your abdomen, so that a group will have a good effect in the morning and evening.