How long to tie the belly band a day, according to personal habits and physical condition to decide, it is difficult to have a standard answer, usually, the belly band is best not to use more than 8 hours a day. Female postpartum abdominal flaccidity will generally choose to use the abdominal band, there are also abdominal hypertrophy in order to lose weight using the abdominal band. Belly band does not have the role of weight loss, but only to a certain extent can make the abdominal fat tightening. For postpartum women to choose a high-quality abdominal belt, used at the right time on the postpartum body recovery, abdominal muscle retraction are very good help. The normal delivery of women can be used in the postpartum 2 days; cesarean section of women, if the wound is vertical incision, can be used immediately after delivery, not only help to protect the abdominal incision, but also help the uterus to restore; if it is a transverse incision, you can wait until the end of the month, the wound is basically healed before use. However, it should be noted that the use of abdominal tape can not be used 24 hours a day, the best night to go to bed, the use of elasticity should be moderate.