Even occasional itching of the vagina is not normal. Under normal circumstances, itching does not occur in the vagina. Occasional itching may be caused by the following reasons: 1. itching due to increased vaginal secretions and failure to strengthen local care of the vulva in time, resulting in local inflammatory reactions. 2. itching due to vulvar dermatitis, such as frequent wearing of chemical fiber underwear or failure to change sanitary napkins frequently when menstruating, resulting in local inflammatory reactions or allergic dermatitis. 3, because of vaginal inflammation, secretions flowing to the vulva can cause local itching, or lead to local itching of the vagina, to do gynecological examination, to do routine laboratory tests of the white belt, according to the results should be given treatment.