Abstract： Resection of malignant pelvic bone tumors poses a major technique challenge for orthopedic oncologists due to the large tumor size which is undetectable at the early-onset and local complex anatomy with the severe extension to major neurovascular structures and intestinal and urinary tracts.[1] Traditionally,malignant pelvic bone tumors were resected by the hindquarter amputation and the procedure obviously influenced the detrimental cosmetic and physical outcomes.More attempts have been made to perform the limb-salvage and improve the reconstruction of the pelvis after tumor resection.However,the abundant clinical experience could not be accumulated at the single tumor center due to the low incidence of pelvic bone tumors.