Itchy vulva during menstruation can be relieved by washing, you can buy lotion, such as gynecological cleaning, cleaner 1:10 water to wash the vulva, as long as the vagina is not washed will not affect the health of the body. As there is no way to check the vaginal secretions during menstruation, it can only be improved by washing, and at the same time, after washing, it is necessary to ensure that the underpants are changed every day as far as possible. Sanitary napkins should be changed once every four hours to avoid prolonged contamination of the vulva by menstrual blood, which can cause aggravation of vulvar itching. This situation can be observed until the end of menstruation, if it has improved, usually pay attention to good personal hygiene can be. If it persists, you need to go to the hospital and register with the gynecology department for a vaginal secretion examination to determine which kind of vaginal inflammation is involved, and then carry out vaginal plug treatment according to the situation.