Women with itchy vaginal opening, consider trichomoniasis, vulvovaginal pseudomycosis, cervicitis and other diseases. 1. Trichomonas vaginitis: a common vaginal inflammation caused by Trichomonas vaginalis, which can lead to increased vaginal discharge, vaginal itching, burning, pain and pain during sexual intercourse and other uncomfortable symptoms. 2. Vulvovaginal pseudomycosis: it is mainly caused by pseudomycosis, which can lead to vulvovaginal itching, increased vaginal discharge and other phenomena, and the symptoms of vulvovaginal itching are more obvious and last longer, which can lead to severe fidgeting, and it is more obvious at night. 3. Bacterial vaginosis: It is a mixed infection caused by the imbalance of normal flora in the vagina with the increase of thin vaginal discharge with fishy odor as the main manifestation, and the increase of thin vaginal discharge with fishy odor is its clinical characteristic. It may be accompanied by mild vulvar itching or burning sensation, and the symptoms are aggravated after sexual intercourse. The discharge is grayish-white, uniform and thin, often adhering to the vaginal wall, but easily swabbed away from the vaginal wall. As there are many causes of itchy vaginal opening in women, it is best to go to the hospital in time to improve the examination and identification.