You can use a lap band 7 days after the birth of a child. There are two types of lap bands for postpartum use and two types for non-postpartum use. After the birth of a child, you need to use a postpartum belly band for special use, after the birth of a normal child using the belly band can help prevent sagging of internal organs and flabby flaccid, after the caesarean section using the belly band can help the incision healing. But the daily use of the belly band time can not be too long, daily use in about 8 hours, eating and sleeping time need to be loosened, in order to facilitate the body to get relaxed, also can not simply rely on the belly band to play the role of weight loss and fat loss. After 42 days postpartum rehabilitation, pelvic floor muscle repair, but also appropriate exercise, such as yoga, swimming, walking and other fat consumption, especially after the accumulation of abdominal fat, you can use the method of sit-ups to reduce abdominal fat.