The pain is usually significantly relieved in about three days after fracture surgery because the fracture surgery is performed with repositioning and strong internal fixation, good alignment between the fracture ends, and no local micro-activities that would stimulate local nerves to produce pain. Early postoperative pain is common due to the injury caused by the surgery and the inflammatory response of the surrounding tissues, which can be significantly painful. After three days the bleeding stops, the injury basically starts to repair, the fracture is well aligned and there is no activity, there is no significant pain. The pain may last longer in some cases, such as when the physical condition is not particularly good and nutrition is inadequate, resulting in increased local exudation and delayed dissipation of inflammation, which can lead to prolonged pain.