Endometrial polyp 3x4x5 refers to endometrial polyp size of 3mmx4mmx5mm, which needs to be treated conservatively and surgically according to the patient’s age and symptoms. 1. Conservative treatment: endometrial polyp size 3mmx4mmx5mm, the volume is not large, if the patient does not have obvious symptoms, you can use conservative treatment, but need to review regularly. 2. Surgical treatment: If in the process of conservative treatment, the polyp continues to grow, the uterine cavity is obviously protruding, or there are symptoms such as irregular vaginal bleeding. It is recommended to choose hysteroscopic polypectomy. However, for those who are older, when the possibility of cancer is suspected, total hysterectomy is recommended for treatment. Once endometrial polyps are identified, it is recommended that a treatment plan be formulated based on the patient’s symptoms and the size of the polyp after an interview with a doctor.