【Objective】To evaluate the diagnosistic value of hysterosscopy on endometrial polyps.【Methods】 450 patients of endom etrial polyps by ultrasonography from Feb.2007 to May.2009 were retrospectively analyzed.All patients underwent hysteroscopy and pathological examination.【Result】By hysteroscopy,it was fonnd 360 patients had endometrial polyp.The coincidence rate of physteroscopy and pathology was 92.9%,and the rate through tranvaginal B-ultrasonograpy was 76.0%.There was significant difference between them (χ2=54.964,P 0.001).【Conclusions】Hysteroscopy is more precise and direct.Hysteroscopy can be used for chech-up of endometrial polyps.