An adjusting strap is provided. The adjusting strap has a strap body and at least one fastening portion. An end zone of the strap body has at least one fastening hole, which is disposed along the strap body in a lengthwise direction. The fastening portion is disposed on the strap body and located at an inside area adjacent to the fastening hole, the at least one fastening portion is integrally formed with the strap body and extends away from a top surface of the strap body. When the end zone of the strap is bent in reverse, the fastening portion is capable of threading through the fastening hole to be in position.
