Vaginal opening itching is considered in the following aspects: First, vulvar and vaginitis. It is usually accompanied by increased discharge, leukorrhea, and purulent discharge that can irritate the vaginal opening as well as the vulva, leading to vaginal opening itching. Among them, mycosis vaginalis and trichomonas vaginalis will have vulvar itching symptoms, the secretion of trichomonas vaginalis has bubbles and odor, and the secretion of mycosis vaginalis is tofu dregs-like. You can go to the hospital to check the leukorrhea routine to determine which kind of vaginitis, and then according to the results of the examination under the guidance of the doctor to take drugs with gynecological vaginal suppositories for treatment. Second, vulvar eczema. There can be eczema-like changes in the skin and mucous membranes near the vulva and vaginal opening, and patients often have a strange and itchy feeling. At this time to avoid scratching the affected area, to keep the local clean and dry. Can be treated with anti-allergic drugs or glucocorticoids. Usually pay attention to personal hygiene, wear cotton, loose, breathable underwear.