clinical analysis of chronic suppurative otitis media in adults and children objective to explore the differences and common features between adults and children with chronic suppurative otitis media in the course of disease clinical characteristics and operationmethod to compare and analyze the clinical information before the operation the range of lesion and ossicular chain damage in adults group 85 cases and children group 66 casesresult the morbidity of complications in children group was higher than that in adults groupwith few intracranial otogenic complications in children group the granuloma in external acoustic meatus was common in children group the range of lesion in children group fixed with granuloma and cholesteatoma was more extensive than that in adults group the complications in children group were more than those in adults groupconclusion there are more complications and more extensive lesion in children patients than those in adults patients with chronic suppurative otitis media the operation of clearing lesion and retaining or reconstructing hearing are regarded as the first choice in the children patients