The symptoms of vulvar itching may be caused by the following factors: 1. It may be caused by gynecological inflammation, which is more common in clinic, such as vaginitis, cervicitis, and so on, and the increase of leukorrhea in the case of vaginitis and cervicitis will stimulate the vulva to have itching symptoms; 2. It may be caused by the environmental factors, such as the patient often wears poor quality underwear and rubs the vulva to have itching symptoms; 3. 2, may be caused by environmental factors, such as patients often wear poor-quality underwear and friction vulva lead to itching symptoms; 3, patients wear tight underwear for a long time will lead to bacterial growth and infection of the vulva, resulting in vulvovaginitis caused by itching symptoms; 4, may be the patient’s vulva allergy led to itching symptoms, it is recommended that the patient timely to the gynecology department of the hospital to carry out relevant examinations, to find out the causes of the cause of the itching, and then to take therapeutic measures.