Pediatric vulvar infection can hang up with gynecology or urology for examination. If a girl has symptoms of vulvar itching, it may be due to low estrogen secretion and poor vulvar development, leading to bacterial invasion and vulvovaginitis triggered, or it may be due to foreign body residue in the vagina causing vulvar itching, so it is necessary to go to gynecology in order to clarify the cause of itching. If, in addition to vulvar itching, there is also abnormal secretion, the secretion should be taken from the edge of the vulva for routine examination to clarify the type of vulvovaginitis, and then treated with medication. In addition, the short urethra of girls is prone to inflammation, and urethritis may also involve the vulva, leading to vulvar infection, in which case it is necessary to go to the urology department for examination and treatment to eliminate the cause of the disease. Therefore, when the discovery of pediatric vulvar infection, should promptly to gynecology or urology for relevant examination and treatment, and in general should pay attention to vulvar hygiene, wear loose pants.