More intuitive and more accurate diagnosis of the disease, used in women's cervical, vaginal, vulvar disease and male genital skin lesions census and diagnosis, without any trauma and side effects, the lesion can be enlarged 10-60 times the image to observe the naked eye can not be observed Of micro-lesions, biopsy can be located in the site to improve the diagnosis of cervical cancer and sexually transmitted diseases, diagnosis of vulva, vagina, cervix and precancerous lesions of the important supporting measures.