The external fixation brace is a kind of orthopedic support for fracture treatment, which is usually used clinically as a single-arm external fixation brace. This kind of brace is mainly used for long tubular bone fractures, such as some femur fractures, especially for tibia fractures, and humerus or forearm bone fractures, and it is better to use it for transverse fracture sections, because too large oblique fractures or butterfly fractures often have instability factors, so it should be used with caution. The external fixation brace is also a good choice for some fractures with large trauma contamination, which are not conducive to complex internal fixation because of the possibility of postoperative infection. Therefore, the advantage of external fixation stent is that it is less traumatic, and it is less likely to strip the periosteum of the bone surface, which is conducive to fracture healing. The procedure is relatively simple, especially the removal of the internal fixation after the bone healing is not so complicated, and it can be said to be a relatively minimally invasive procedure. One of the important advantages of this procedure, from our experience, is that it can be later adjusted to a dynamic external fixation brace, which means that the brace becomes a dynamic brace. In this way, it is a further continuous compression while the fracture remains locally fixed. In other words, during the limb activity, the longitudinal continuous compression of the bone end is continuously increased, which can avoid sclerotic bone discontinuity or delayed healing of the bone end and promote earlier healing and stabilization of the fracture end, which is a very important advantage of the external fixation brace and is recommended.