Bleeding again a year after the removal of uterine polyps may be the result of recurrence of an old disease, poor healing or infection of the vaginal stump, anal or urethral bleeding, and so on. 1. recurrence: uterine polypectomy surgery, can just polyps for removal, can also be performed hysterectomy. One year after the removal of the polyp lesion tissue alone, the uterine polyp may recur, affecting the lining of the uterus and easily causing symptoms such as irregular vaginal bleeding and drenching menstruation. 2. Poor healing or infection of the vaginal stump: If you choose hysterectomy surgery, under normal circumstances, patients will no longer have menstruation. However, if there is vaginal bleeding one year after surgery, it may be due to poor healing of the vaginal stump or infection. In this case, you need to go to the hospital in time, identify the cause of the bleeding as soon as possible to take measures to stop the bleeding treatment or secondary suture and so on. 3. Anal or urethral bleeding: one year after uterine polyp surgery, if there are lesions in the urethra or anus, it will also cause bleeding symptoms in the lower body. If there is bleeding in the lower part of the body when urinating or defecating, it is considered that this may be the cause, which is not clearly related to the surgery itself. It is recommended to further improve the examination to clarify, such as stool routine, urine routine and so on. In conclusion, patients who bleed again one year after the removal of uterine polyps are advised to go to the gynecology department of the hospital as soon as possible for a follow-up examination to clarify the location and cause of the bleeding, and to carry out treatment under the guidance of the doctor.