If the vaginal itching in the clinical reasons are the following: First, Candida infection caused by the vulvovaginal pseudomycelium yeast disease, manifested as vaginal itching, vulvar itching, vaginal discharge similar to tofu dregs, and accompanied by vulvar redness and swelling. Secondly, Trichomonas infection can cause not only intravaginal itching, but also severe itching outside the vagina, and the leukorrhea is yellow and foamy. Thirdly, mycoplasma and chlamydia infections can also manifest as increased vaginal discharge and vaginal itching. In the clinic according to different pathogenic bacteria caused by vaginal itching and then give different drugs for treatment, such as Candida infection need to be treated with Dakinin; if it is mycoplasma, chlamydia infection clinically preferred azithromycin treatment; if it is trichomoniasis infection in the clinic need to be preferred metronidazole treatment.