Abstract： Objective To investigate the value of the local composite vascularized fascia flaps in the surgical treatment of osteoradionecresis(ORN)of temporal bone in cases with nasopharyngeal carcinoma(NPC)after radiotheraphy.Methods Eight NPC patients with ORN of temporal bone accepted radical mastoidectomy and obliteration with local composite veuscularized fascia flaps including palva flap,temporalis fascia flap and skin flap of external acoustic meatus.Results Five ears(62.5%)achieved dry ear.Two ears(25%)still had infection and granulation tissue in the operating cavities,but the symptoms relieved and the esrs were without re-sequestration.One ear(12.5%)needed regular cleaning for the operating cavity because of neciosis of the fascia flaps and re-sequestration.Conclusion The surgical treatment for diffused ORN of temporal bone is difficult.Obliteration with local composite vascularized fascia flaps is an effective method in order to get dry ear and prevent from re-sequestration after radical mastoidectomy.