After arm fracture, it usually takes 3-6 months to recover to normal strength, the details are as follows, after arm fracture, you can use splint external fixation, gypsum external fixation, or cut and reset plate screw internal fixation, through the fixation of arm fracture can make the broken end of arm fracture to keep stable, and promote the fracture to heal smoothly. Generally, the fracture can reach clinical healing in about three months, but at this time the bone strength has not been fully restored, and rehabilitation exercises are needed. 3-6 months the muscles around the fracture have recovered, and the fracture strength has returned to the normal level, and the patient can take part in regular sports and work. However, one year after the fracture, it is usually necessary to remove the internal fixation plate, and after removing the plate, it will take 1-2 months to restore the local fracture strength. It takes 1-2 months to restore the local bone strength because the plate will cause stress osteoporosis in part of the bone due to the shielding of the plate.