A uterine diverticulum is a diverticulum-like lesion that communicates with the uterine cavity due to poor healing of the endometrium and myometrium after various uterine surgeries. Patients may experience abnormal vaginal bleeding, chronic pelvic pain, and other adverse symptoms, which are usually treated with hysteroscopic surgery. For symptom relief, the success rate is generally above 90%. However, in terms of anatomical repair, i.e., complete disappearance of the diverticulum after surgery, the success rate is relatively low, usually only 60-70%. In general, the smaller the size of the diverticulum, the higher the success rate of surgery. In 30-40% of patients, diverticula will form again. This is because diverticulum formation is not only related to surgery, but also to the patient’s ability to recover. In this case, reoperation to repair the scar needs to be considered, but sometimes even repeated surgery can result in recurrent diverticula. During the treatment period, patients should clean the perineum twice a day to keep the incision and perineum clean and dry to avoid infection, in addition to following the medication prescribed by the doctor. In addition, if abnormal vaginal bleeding or severe abdominal pain occurs, you should immediately communicate with your doctor to avoid affecting your recovery.