Vaginal itching should be treated with clear etiology, bacterial vaginosis and trichomonas vaginitis with metronidazole is good, but vulvovaginal pseudomycosis with metronidazole is not good, you have to use clotrimazole preparation. The common causes of vulvar itching are bacterial vaginosis, trichomonas vaginitis and vulvovaginal pseudomycosis, etc., which can be clearly diagnosed by vaginal secretion examination. For bacterial vaginosis and trichomonas vaginitis can be given metronidazole treatment is good, but vulvovaginal pseudomycosis, the application of metronidazole is not good, need to follow the doctor’s advice to give clotrimazole preparation and other drugs to treat the effect is good. Vulvovaginal itching is a common gynecological symptom, mostly due to a variety of different diseases, in addition to a variety of common vaginitis, but also can be seen in vulvar hypopigmentation diseases, drug allergies or bad hygiene habits, and diabetes, severe anemia and other systemic causes, need to combine the history, clinical manifestations and laboratory tests to clarify the cause, and active treatment. When the symptoms of vulvar itching occur, you need to go to the hospital in time to find out the cause and timely treatment.