Abstract: Objective To study the cause and treatment of external acoustic meatus cholesyeatoma.Methods Sixty-eight cases of external acoustic meatus cholesyeatoma were reviewed.Results The most cases of external acoustic meatus cholesyeatoma presented with skin chronic infection and bone erosion from mild to severe.The middle ear,jugular vein and facial nerve were invaded in some cases.11 cases were treated with surgery to remove the cholesyeatoma sac and necrotic bone.Conclusion The disease can cause damage extensively.Early and comprehensive treatment is importment.

Key words: external acoustic meatus, cholesyeatoma