Lower vaginal bleeding in 70-somethings may be caused by endometrial hyperplasia, senile vaginitis, cervical cancer and other diseases, or it may be caused by other diseases such as uterine fibroids. 1. Endometrial hyperplasia: endometrial hyperplasia is mainly caused by long-term estrogen stimulation without progesterone antagonism, and patients will have abnormal uterine bleeding, lower abdominal pain, uterine fluid and other symptoms, leading to the phenomenon of vulvar bleeding in 70-year-olds. 2. Geriatric vaginitis: geriatric vaginitis is caused by the lack of ovarian function, and the patients mainly manifest vulvar itching, bleeding, vaginal burning sensation, etc., so it will lead to the phenomenon of vulvar bleeding in 70-year-old people. 3. Cervical cancer: cervical cancer is mainly caused by HIV infection, patients will have abnormal vaginal bleeding, abnormal vaginal discharge, urinary urgency and other manifestations, which will lead to the phenomenon of vulvar bleeding in 70s old people. 4. Other: uterine fibroids, cervicitis, endometrial cancer and other diseases can also lead to vulvar bleeding in 70s. If you are in your 70s and have symptoms of vulvar bleeding, you should consult a doctor in time to find out the cause of the bleeding and then follow the doctor’s instructions for treatment.