It is best to disinfect the itchy vulva with iodophor locally, and it is also recommended to rub erythromycin externally to promote the recovery of the local wound and prevent it from being infected. If the local ulcers are serious, it is best to localize with red light irradiation, which can promote the healing of the wounded surface. Itching of vulva may be caused by gynecological inflammation. If the simple use of erythromycin cannot completely cure the condition, routine examination of the leukorrhea is needed, and if it is bacterial vaginitis or mycotic vaginitis, it can be treated with metronidazole or clotrimazole, which can promote complete recovery. It is best not to scratch the local skin. It is also recommended to change underwear regularly and not to have intercourse during treatment to avoid cross infection. It is advisable to take a sitz bath with potassium permanganate and also to exercise properly to promote recovery and it is best not to eat stimulating food.