The body’s resistance is down before the period, this time it is easy to get infected, resulting in vaginitis, you need to do a routine leukorrhea to clarify what kind of bacteria infection, so as to accurately use the medication. Common vaginitis include mycosis vaginalis, trichomonas vaginalis, bacterial vaginitis and so on. Itching of the vulva before menstruation is mostly considered to be due to mycosis vaginalis, after checking the routine examination of the leukorrhea to determine mycosis vaginalis, you can use clotrimazole suppositories in the week before menstruation, 1 capsule per night, inserted into the deep part of the vagina, and continuous use until menstruation. If recurring, it is recommended to use one week before and one week after menstruation, and at the same time take fluconazole dispersible tablets, 150mg once, once every 3 days. Normally, you should pay attention to the cleanliness of the vulva, change underwear frequently, wear cotton underwear, do not wear jeans and leather pants, and keep good ventilation.