Gynecological diseases of elderly women in their 70s mainly include senile vaginitis, vulvar leukoplakia and gynecological tumors. 1. Geriatric vaginitis: Geriatric vaginitis is caused by the decrease of ovarian function, the decrease of estrogen level and the invasion of bacteria into the vagina. The main manifestations are vulvar itching, vaginal dryness and burning sensation, etc. Its treatment can be oral estrogen, such as nil estradiol, etc., and at the same time, 0.5% acetic acid is used to flush the vagina. 2. Vulvar leukoplakia: it is a kind of vulvar hypopigmentation disease, mainly manifested as vulvar lesions, itching, etc. Its treatment is local corticosteroid drugs, such as tretinoin ointment. 3. Gynecological tumors: such as endometrial cancer, cervical cancer and so on. The main manifestations are vaginal bleeding, anemia, emaciation, etc. Its treatment is mainly surgical treatment, such as radical hysterectomy. Elderly women in their 70s should pay attention to regular medical checkups, and go to the hospital in time if they are not feeling well, so as not to delay their condition.