There are many common causes of vulvar itch in girls: 1, vulvovaginitis caused by bacteria, Candida albicans, trichomonas infection, in addition to vulvar itching discomfort, but also accompanied by abnormalities in the color, amount, texture and smell of leukorrhea. The leukorrhea can be yellow and pus-like, thin and foamy, creamy and curd-like, etc. 2. temporary itching caused by poor local hygiene, wearing non-breathable chemical fiber underwear, humidity and stuffiness. 3. mucosal atrophy due to vulvar malnutrition, vulvar leukoplakia, vulvar squamous cell hyperplasia can also appear as symptoms of vulvar itching. 4. loss of balance in body hormone level, menopause The endocrine dysfunction decreases the ability to regulate the vaginal flora and produces atrophic vaginitis. 5. Elevated blood sugar levels in diabetic patients affect the body’s metabolism and can easily trigger mycosis vaginalis, resulting in itching and discomfort in the vulva and vagina.