The causes of vulvar redness are more, such as vulvar or vaginal inflammation, local bad stimulation, abuse of antibiotics, etc., and age also has a certain relationship, need to be based on the specific circumstances to determine the causes of vulvar redness. 1, vulva or vaginal inflammation: vulva local congestion flushing, most commonly in vulvovaginitis or vaginitis, generally related to the stimulation of urine and vaginal secretions, pathogenic microbial infection. Women’s vulva is exposed to the outside world, and adjacent to the vagina, urethra, anus, etc. It is easily stimulated by vaginal secretions, menstrual blood, urine, feces, etc., and easily harbors various pathogenic bacteria, such as bacteria, viruses, protozoa, etc., all of which can induce vulvar and vaginal inflammation, resulting in symptoms of vulvar redness; 2, adverse local stimulation: vulvar redness can also be caused by local physical or chemical stimulation of the vulva, such as underwear that is too tight, walking The skin or mucous membrane may be allergic to the material of underwear, sanitary napkins, diapers, etc., which can induce the mucous membrane of the vulva to break, which in turn causes local infection, resulting in symptoms of vulvar redness; 3, abuse of antibiotics: women, especially girls, after the abuse of antibiotics, especially broad-spectrum antibiotics, resulting in dysbiosis, creating conditions for mycobacterial infection, causing mycobacterial vaginitis. This causes itching of the vulva and vagina and makes the vulva red after scratching; 4. Age factor: Infants and older people are more prone to mucosal irritation due to their physiological characteristics, which leads to symptoms of vulvar redness. If the symptoms of vulvar redness appear, you should seek medical attention in a timely manner, conduct relevant examinations of the vulva area to clarify the cause of the symptoms and start relevant treatment as soon as possible to improve the uncomfortable symptoms.