With the development of the transportation, high-energy injuries caused by traffic accidents are on the rise, acetabular fractures have been increasing recently. We take surgical therapy or conservative therapy considering a variety of factors and the patient’s conditions. Due to the particularity of acetabular anatomy and the complexity of its physiological functions, there are many complications caused by the acetabular fractures and its treatment no matter what method we take, such as nerve injury, heterotopic ossification, thromboembolism, traumatic arthritis et al. All these will seriously affect the patient’s daily activities. This paper aims to give a general review on the generation mechanism and treatment progress of common complications of the acetabulum fracture.