The sequelae of broken foot include the following aspects: First, swelling: swelling is a common sequelae of broken foot, especially in long distance walking after broken foot, there is obvious swelling phenomenon, and it can be improved after sleeping overnight, which is the most common sequelae of broken foot. Second, joint instability: If the ligaments are damaged, it often takes several years to repair them before they can get better, especially in the early stage of broken foot, if proper braces or casts are not fixed, early weight-bearing walking will lead to instability of the ankle joint, and it will be easier to fall when walking. Therefore, it is important to treat the broken foot early and actively, so as to prevent swelling and joint instability and other sequelae.