The metatarsal fracture fixation brace should not be loosened for a short period of time when there are no special symptoms such as unbearable pain and local congestion. The main purpose of wearing a brace after a fracture is to maintain the stability of the fracture and to maintain accurate alignment of the fracture. If the brace is loosened, displacement of the fracture end may occur, affecting the healing of the fracture. If the patient experiences severe congestion and pain at the fixed site, it may be due to excessive compression by the brace or local infection, etc. The fixation of the brace should be adjusted under the operation of the physician. After the fracture to take the brace fixation, should go to the hospital regularly for X-ray examination, has been determined that the fracture ends neat, when the fracture ends have been connected with the bone scab, fracture line fuzzy or disappeared, then has reached the clinical standards of fracture healing, can be removed from the brace. If the patient’s fracture fixation stage of the brace accidentally loosened, the fracture site pain, swelling or can hear the bone rubbing sound, should consult a doctor in time, timely adjustment of the brace.