Abstract: Objective: To investigate the clinical and pathological characteristics,the treatment and prognosis of inflammatory myofibroblastic tumor(IMT) by reviewing the literatures.Methods: The clinical data and pathological characteristics of 4 cases of IMT treated were analyzed retrospectively,and the literatures were reviewed.Results: All the 4 cases received supersonic wave and cystoscopy.Three cases were diagnosed as cystitis possible,and bladder tumor could not be precluded;1 case was reported to be bladder IMT.Four cases underwent partial resection of the bladder and all were confirmed to be IMT by pathology.Up to now,3 cases had no relapse,and 1 case was followed up no longer than 7 months.Conclusions: The clinical feature of bladder IMT resembles that of bladder tumor.Final diagnosis relies on immunohistochemical method.Surgical operation is the best procedure for the treatment of the disease.