Itchy vulva occurs for several reasons: First, look at your habits, have you ever worn tight underwear and outer pants, if the pants are too tight, it can cause poor ventilation or sweating in the lower body; Second, the fabric itself can stimulate itchy skin in the vulva, so women should choose loose underwear and outer pants, and try to choose cotton fabric; Third, if you are in your menstrual period, look to see if the The replacement sanitary napkin is not suitable, blood stains can also stimulate the skin itching; four, also look at whether you wash your vulva every day, change your underwear, women should maintain good hygiene habits; five, vulvar itching may also be the vulva and vagina inflammation, when there is also increased leucorrhea, leucorrhea with odor or discomfort in the lower abdomen, if these conditions occur, you should go to the hospital for examination and treatment.