Vulvar cysts are a common gynecologic condition, most commonly known as vestibular gland cysts. The swelling is noticeable in the vulva, and the inflammation is accompanied by redness, swelling, and painful heat, and even pus. It has the following causative factors: poor lifestyle and hygiene habits. For example, wearing tight underwear, unclean sex, stimulation of the vulva by sweat and secretions can cause inflammation and lead to visible inflammatory lumps in the vulva; of course, vulvar lumps can also occur after gynecological diseases and trauma to the vulva; sexually transmitted diseases, trichomonas, fungi and bacteria can lead to vulvodynia; if you do not pay attention to the hygiene of the vulva during menstruation, it can also lead to infection. The above mentioned causes lead to vulvar infections, followed by vulvar vestibular gland infections will result in vulvar lumps or cysts. Therefore, vulvar cysts are caused by inflammation in the vestibular gland at the vaginal opening, and they are painful when they occur, mainly due to poor hygiene habits and infection of the vulva.