The reasons for doing pelvic repair are mainly the following: first, to restore the integrity of the pelvis: if the pelvis is injured due to trauma, such as pelvic fracture, it needs to be fixed and reset quickly so that the integrity of the pelvis can be restored, otherwise it will affect the power transmission of the lumbar spine and lower limbs, and even cause restricted hip joint activities. Second, restore the tightness of the muscles around the pelvis: If the separation of the pubic symphysis and pelvic laxity caused by the process of childbirth, pelvic repair is also needed, which can restore the tightness of the muscles around the pelvis and avoid the pelvis from being too wide, leading to dysfunction of the organs in the pelvis and even causing urinary incontinence, especially for female patients who have given birth several times, early pelvic repair should be carried out as much as possible to avoid the above The consequences. Pelvic repair should be performed as early as possible, otherwise it will affect the function.