Elderly people may have swelling and pain at the vulva below, which can be seen in vaginitis, vulvar tumor, cervical tumor and so on. 1. Vaginitis: the level of estrogen is low in the elderly, if affected by infection and other factors, it will lead to atrophic vaginitis, which is manifested by congestion of the vagina and vulva, and there will be swelling and pain. 2. Vulvar tumor: If there is HPV infection in the vulva, it may lead to malignant lesions in the local tissues, resulting in vulvar tumor, which may cause swelling and pain. 3. Cervical tumor: if there are cervical tumors and other diseases, which make the pelvis in the state of congestion, it may also lead to the involvement of the vulva, and cause the feeling of distension and pain. If elderly people have vulvar distension and pain, it is recommended to go to the hospital in time to get medical treatment, after perfect examination to clarify the cause of the disease, and carry out standardized treatment.