The disadvantages of external fixation braces for fracture mainly include poorer fixation effect compared with internal fixation, the possibility of wound infection, and the possibility of affecting postoperative joint movement and so on. 1. As the steel pin connecting the fixation clip of the external fixation bracket is easy to loosen, the loosening of the steel pin fixation clip and the connecting rod as well as the multi-directional movement of the fixation clip may lead to the decrease of stability or even the displacement of the fracture broken end, which may affect the healing effect. 2. Since the fixation pins of the external fixation bracket are connected to the outside world through the skin, poor nursing care may lead to a high incidence of pin tract infection, and the fixation pins may be forced to be removed if the infection is serious. 3. In addition, since the external fixation stent takes up a certain amount of space, if the external fixation stent is close to the joint position, it may affect the joint movement after surgery. If the indications are met and the operation is performed in a regular medical institution, it is generally not harmful. Therefore, there is no need to be too nervous. When external fixation is required, treatment should be in accordance with medical advice.