There are two general causes of self-conscious itchy urethra in female babies: first, itchy vulva due to inflammation of the urinary tract; second, itchy urethra due to inflammation of the vulva irritating the urethra. In this case, two tests should be done: one is the examination of urine to clarify whether the inflammation of the urinary tract is the cause of the inflammation of the urinary tract. Secondly, according to the condition of the female baby’s vulva, vulvar discharge is taken for examination of vulvar discharge to clarify whether it is caused by inflammation of the vulva. According to the inflammation of the urinary tract or vulva give etiological treatment, at the same time when the vulva and urinary tract itch, pay attention to wear clean underwear, to change once a day, to ensure the ventilation of the vulva, try to wear loose underwear, to avoid local friction leading to itchy symptoms worse, during the disease must drink more water, conducive to flushing the urethra or ensure the reduction of inflammation.