Ureteral polyp is a kind of benign tumor of ureter, the cause is not clear, it may be due to infection, trauma, chronic irritation, hormonal imbalance or even congenital dysplasia and other factors that make the ureteral epithelium proliferate or metaplasia. Ureteral polyps do not have typical clinical symptoms, but when they block the ureter, there may be pain in the lower back and abdomen, bladder irritation signs and so on. Hematuria may occur when the epidermis erodes and bleeds. When combined with severe hydronephrosis, a mass can be detected. Even the lower ureteral polyp prolapses from the external urethral opening. Therefore, patients with ureteral polyps with uncomfortable symptoms should go to the hospital in a timely manner, under the guidance of the doctor to carry out standardized treatment, to avoid further progression of the disease.