When a woman has vaginitis, not in all cases does the man need to be treated. If it is trichomonas vaginitis, vulvovaginal pseudomycosis, the man can be treated with medication according to the situation, commonly used drugs such as metronidazole, fluconazole. 1. Trichomonas vaginitis: Trichomonas vaginitis is mainly transmitted by sexual behavior, if the woman suffers from trichomonas vaginitis, the man should be treated at the same time. The man can take oral metronidazole or tinidazole treatment under the guidance of the doctor. Before cure, you need to use condom to prevent cross infection. 2. Vulvovaginal pseudomycosis: the man does not need routine treatment, but if the man has glans inflammation, need to carry out pseudomycosis examination, if the results of the examination is problematic, need to take oral fluconazole under the guidance of the doctor, and at the same time the local use of clotrimazole cream and other treatments. Women with vaginitis need to seek timely medical treatment under the guidance of a doctor. You also need to pay attention to the hygiene of both men and women to avoid cross-infection.