Regardless of the efforts of several treatments after pelvic bone fracture, as many as 5% of all pelvic fractures result in malunion or nonunion of the pelvis. These complications can cause disabling symptoms, including pain, instability, and gait disturbance, which can decrease life quality of patients and increase socioeconomic problems. Therefore concerns regarding the treatment of malunion and nonunion after pelvic bone fracture are increasing. We report our experience and surgical management for pelvic malunion and nonunion.