Itchy vulva in the elderly is mostly considered to be caused by senile vaginitis, trichomonas vaginitis or fungal vaginitis, diabetes mellitus, etc. It is recommended to go to the hospital for examination and check the white belt routine to clarify the cause and then deal with it. Common causes and treatment: 1. Aged vaginitis: mostly caused by the decline of ovarian function and lowered estrogen level in the elderly, in addition to vulvar itching, the elderly also have increased vaginal discharge, which is yellowish and thin. 2. Trichomonas vaginalis: It is mostly characterized by inflammation of the vaginal mucosa, bright red, often with foamy discharge and varying degrees of vulvar itching. Treatment can be oral metronidazole, triclopirox and other drugs as prescribed by the doctor, or vaginal medication, such as the use of metronidazole and other drugs; 3, fungal vaginitis: mostly caused by Candida albicans infection, manifested as increased leucorrhea, vulvar itching, burning sensation, painful urination, often red and edematous around the vulva, oral mycoplasma or fluconazole as prescribed by the doctor, or vaginal medication, such as the use of clotrimazole suppositories, miconazole suppositories, etc. 4, other: such as diabetes, anemia, leukemia, uremia and other diseases can lead to vulvar itch in the elderly, need to go to the hospital in time for examination, active treatment of the primary disease, vulvar itch symptoms can be gradually relieved. If you are a senior citizen, you should go to the hospital to have your vagina checked and use the right medication after finding out the pathogen. 2. If there is no bacteria, you can use the medication according to senior vaginitis. 3. You should pay attention to vaginal hygiene, change your underwear and wash your vulva with water.