Girls vulvar red mostly caused by inflammation, due to anatomical and physiological characteristics, vulva and vagina are prone to inflammation, the specific reasons are as follows: 1, the girl’s vulva is not yet well-developed, the labia minora can not cover the vaginal orifice and the vaginal vestibule, bacteria are easy to invade; 2, the vaginal environment is different from that of the adult, the newborn 2-3 weeks after birth the level of estrogen from the mother’s source declines, low levels of their own hormones, the vaginal epithelial mucosa is thin, less glycogen, and the pH value rises to 6-8, lactic acid bacteria can not become the dominant bacteria. The pH value rises to 6-8, lactobacilli can’t be the dominant bacteria, the vaginal resistance is poor, easy to be infected by other bacteria; 3, poor hygiene habits, vulvar uncleanliness, urine, fecal contamination, vulvar injuries and cercariae infections can cause inflammation; 4, misplaced foreign objects in the vagina, etc., resulting in secondary infections of pathogens such as Escherichia coli, staphylococcus, streptococcus, neisseria gonorrhea, Trichomonas vaginalis, and Pseudomona albicans, which often pass through adult hands, clothing, and other pathogens. The main symptoms are flushing of the vulva and increased secretion, etc. It is often transmitted indirectly through adult hands, clothes, towels and bath tubs. The main symptoms are flushing of the vulva, increased discharge, etc. The treatment should keep the vulva dry and clean, reduce friction, and give appropriate antibiotics and symptomatic treatment for the pathogens.