The morning stiffness after third ankle fracture surgery can disappear in about 3~6 months after active rehabilitation, the specific time should be judged according to the condition of recovery. After three-ankle fracture surgery, generally need to be fixed in plaster or brace for 4~6 weeks, after a long time of fixation and the effect of the fracture itself, the joint stiffness after fracture surgery is easy to appear, especially after waking up in the morning stiffness is relatively serious; and the recovery of the fracture usually takes about 3~6 months, during which need to be actively rehabilitated and exercise, generally about 3~6 morning stiffness can be recovered. In order to prevent morning stiffness after fracture surgery, rehabilitation exercises such as toe extension and flexion exercises and ankle extension and flexion exercises should be performed during the recovery period; if joint stiffness has already occurred, it is necessary to go to the hospital in time for further treatment under the guidance of a physician or a rehabilitator.