The causes of vaginal itching in women include vaginitis, eczema, pinworms, allergies and so on. 1. Vaginitis: due to various bacteria, fungi, parasites and other infections of the vagina, triggering inflammation of the vagina, at this time there can be symptoms of vaginal itching. 2. Eczema: due to the vaginal skin is stimulated by inflammatory factors, triggered by the vaginal skin rashes, at this time will also appear vaginal itching phenomenon. 3. Pinworms: If the patient’s perineum is infected by pinworms, these pinworms will enter the vagina and stimulate the vaginal mucosa, thus triggering itching. 4. Allergy: Because women are allergic to underwear, this can be an allergic reaction, there will also be vaginal itching phenomenon. Female vaginal itching may also be caused by other factors, it is recommended that patients go to the regular hospital in time for treatment, and strive for early recovery.