Vulvar itching and dryness has more causes, which may be caused by gynecological inflammation, allergy, vulvar eczema and so on. 1. Gynecological inflammation: Gynecological inflammation includes trichomoniasis, mycosis vaginalis, bacterial vaginosis, cervicitis, etc., all of which may cause an increase in vaginal secretion and stimulate the local skin of the vulva, thus causing vulvar itching and dryness. 2. Allergy: If women are allergic to underwear or sanitary napkins, it may also cause localized vulvar itching and dryness. 3. Vulvar eczema: In vulvar eczema, there is usually redness and swelling in the lesion area with dense pimples, accompanied by burning pain and intense itching. There are many reasons for the itching and dryness of the vulva, and it is recommended to go to the hospital in time for examination and active treatment after the cause is clarified. In addition, pay attention to pubic cleanliness and hygiene, change underwear frequently.