This article presents information about pathomorphological characteristics of bladder polyp. In the fibromatous form of the bladder polyp, it was observed that the stroma is dense, the fibers are coarse and concentrated, there are few blood vessels, and it consists of a dense fiber bundle. In most cases, it was found that the stroma of the urinary bladder polyp was rich in inflammatory infiltrate, in which the inflammatory process developed chronically, with lymphohistiocytic infiltrate, in a diffuse manner. Among the polyps of the bladder, it was found that the stroma is rich in blood vessels