Itching in a woman’s private parts can be caused by the presence of vaginitis, vulvar intraepithelial non-tumor-like lesions, vulvar herpes or even the presence of pubic lice. All need to be clearly diagnosed before treatment. 1. Vaginitis: mostly caused by trichomonas, pseudo-saccharomyces cerevisiae and bacteria, which need to be treated with metronidazole, fluconazole and antibiotics respectively. (1) Trichomonas vaginitis: systemic medication, taking metronidazole-based drugs can be added to the use of vaginal suppositories. For example, metronidazole suppository or gel. (2) Vulvovaginal pseudomycosis: need to use fluconazole drug treatment, can use miconazole nitrate suppositories, nifurtimox mycotoxin soft capsule and other topical vaginal drug treatment, etc., or plus oral fluconazole tablets, etc.. (3) Bacterial vaginosis: generally caused by anaerobic bacteria, need to use drugs such as metronidazole, cephalosporins, quinolones treatment. 2. Vulvar intraepithelial non-tumor-like lesions: the most common kinds are clinically characterized by itching and skin pigmentation changes. The purpose of this kind of medication is to relieve itching, soften the skin, loosen adhesions, and in most cases provide relief. Clobetasol 0.05% can be used, as well as acetone testosterone ointment and so on. Girls private itching in addition to the above causes, vulvar herpes and pubic lice, etc. may cause vulvar itching, different causes of treatment and use of different drugs, the need for medication under the guidance of a doctor, do not blindly self-medication, in order to avoid adverse effects.