Itchy vulvar skin may be related to vulvovaginitis and vulvar eczema. 1. Vulvovaginitis: it is an inflammatory skin or mucous membrane disease, and its causative factors may be related to the stimulation of vaginal secretion, urethral secretion and other factors, and in the clinic, in addition to the manifestation of itchiness, there may also be secretion, rash, swelling, pain and other symptoms. 2. Vulvar eczema: it is a chronic inflammation formed due to repeated stimulation by internal and external factors, also related to allergy, easy to recur, as well as accompanied by intense itching. Erythema, papules, blisters, oozing and other manifestations may appear in the acute stage, and skin thickening and mossy changes may appear in the chronic stage. Itchy vulvar skin may also be related to other factors, it is recommended to consult a doctor in time to clarify the diagnosis, under the guidance of the doctor for the cause of the treatment.