Vulvovaginal itching may be related to HPV (human papillomavirus) infection caused by condyloma acuminatum, cervical intraepithelial neoplasia and other diseases, can not be completely ruled out other diseases, the possibility of other factors such as poor hygiene habits. 1. Acute warts: After infection with human papillomavirus, most patients do not have any conscious symptoms. Some patients may have warts or cervical intraepithelial neoplasia. Once the acromegaly and cervical intraepithelial neoplasia appear on the vulva, causing an increase in vaginal secretions, it will cause vulvar itching. 2. Other diseases: vaginal inflammation, eczema, allergies, etc., can also trigger vulvar itching. Vaginal inflammation, such as vulvitis, vaginitis, etc., can lead to vulvar itching, redness and swelling and other symptoms. Vulvovaginal eczema, can lead to the appearance of red rash in the affected area, and accompanied by itching and other symptoms. 3. Other factors: If the underwear is made of poor material, or allergic to condoms, it can also trigger vulvar itching. If you have not washed your lower body and underwear for a long time, there is a lot of dirt in the vulva, which can easily breed bacteria and lead to vulvar itching; the application of irritating soaps may cause irritation to the lower body, which can also lead to vulvar itching. The causes of this symptom are complex and may be related to other factors. It is advisable to seek medical advice as soon as possible to confirm the diagnosis of the condition and to treat it under the guidance of a doctor.