Swelling of the labia accompanied by pain is usually considered vulvovaginitis. The vulva is close to the urethra and anus, and is often stimulated by menstrual blood, vaginal secretions, urine and feces, which can cause vulvovaginitis if the skin is not cleaned. Secondly, diabetic patients due to the stimulation of diabetes, fecal fistula or urinary fistula patients due to the stimulation of urine and feces, can also cause vulvovaginitis. There is another kind of vulvovaginitis that can be caused by wearing tight underwear, using sanitary napkins during menstruation, or often using pads that lead to poor local permeability and localized dampness. The main clinical manifestations of vulvovaginitis are: painful burning sensation and swelling of the skin of the vulva, and in severe cases, ulcers or eczema may appear. After the appearance of such a situation, first of all should keep the local skin clean and dry, can use 0.1% povidone iodine or 1:5000 potassium permanganate solution sitz bath. Pay attention to apply antibiotic ointment to the vulva, or use herbal decoction for vulva fumigation. Severe patients can use microwave or infrared local physical therapy in the acute stage, and should actively search for the cause of the disease, and then according to the cause of the evidence-based treatment.