Gynecological vulvar itching may be caused by the following diseases: first, caused by various vaginitis, such as mycosis fungoides, trichomonas vaginitis, bacterial vaginitis, patients mainly show increased vaginal discharge and vulvar itching. Second, caused by cervicitis, cervicitis causes increased vaginal discharge to stimulate the vulva, which leads to vulvar itching. Third, parasitic diseases of the vulva, such as pubic lice and pinworm disease. Fourth, systemic diseases cause vulvar itching, such as diabetes. Fifth, vulvar itching caused by vulvar tumors. Therefore, when vulvar itching occurs, I hope the patient will go to the hospital and find out the cause before treating it symptomatically to avoid delaying the condition.