Small amount of bleeding from the lower body in the elderly may be caused by trauma, cervical polyps, endometrial cancer, cervical cancer, endometrial polyps and so on. It is recommended to consult the doctor in time to find out the cause and actively treat it under the doctor’s guidance. 1. Trauma: the lower body refers to the perineum, when traumatized, it can cause a small amount of bleeding, which may also be accompanied by pain, combined with the medical history and clinical manifestations can be clearly diagnosed. 2. Cervical polyps: when combined with cervical polyps, it can also cause a small amount of vaginal bleeding, which is easy to recur, and the diagnosis can be assisted by ultrasonography and gynecological examination. 3. Endometrial cancer: it manifests as irregular vaginal bleeding after menopause, and may be accompanied by vaginal discharge of plasma or purulent secretion, lower abdominal pain, etc. Combining with medical history, clinical manifestations, ultrasonography, diagnostic curettage, etc. can help diagnose. 4. Cervical cancer: it can be manifested as irregular vaginal bleeding, accompanied by rice-water-like vaginal discharge, which can be clearly diagnosed by cervical cytology, colposcopy and cervical biopsy. 5. Endometrial polyps: they also cause small amount of vaginal bleeding and recurring, which can be diagnosed by ultrasonography and hysteroscopy to assist in the diagnosis. When the elderly have small amount of bleeding from the lower body, it may also be caused by other reasons, such as urological diseases, and it is recommended to go to the hospital in time in order to find out the cause and actively treat it.