Menstrual vaginitis is caused by non-specific vaginitis, vulvovaginal pseudomycosis, trichomonas infection, etc. It can be treated with potassium permanganate solution, erythromycin ointment and other medications, and can also be adjusted by replacing sanitary products. 1. Non-specific vaginitis: commonly caused by stimulation of sanitary products, local skin moisture, etc. It is necessary to pay attention to keep clean, change the sanitary products with good quality, and can also use potassium permanganate solution for external washing treatment. 2. Vulvovaginal pseudomycosis: manifested as itchy feeling obvious, in the tired or resistance to the onset of poor, can be used during menstruation, external use of mycotoxin vaginal effervescent tablets, pay attention to allergies do not use. 3. Trichomonas infection: due to the stimulation of Trichomonas vaginalis, the vulva may show burning, pain and so on, you can take oral metronidazole for treatment, pay attention to sexual partners to participate in the treatment at the same time. When menstruation vulvar itching, vaginal burning and other uncomfortable symptoms, should pay attention to protect the vulva clean, change the underwear diligently, when the symptoms continue to be unrelieved it is recommended to go to the hospital, follow the doctor’s instructions to use medication, avoid unauthorized use of medication.