Abstract: 28 cases of adenocarcinoma of bladder wre treated from 1978 to 1997.On pathological studies,23 were primary adenocarcinoma,while the other 5 were of urachus origin.The clinical,cystoscopic and cystographic manifestations of the disease were presented.The aetiology of the tumour,early diagnosis and therapeutic principl were analysed and discussed.Extensive partial cystectomy of radical total cystectomy was advocated with postoperative radio and chemo-therapy.The 5 year-survival rate of this series has been 23.1%.