Female baby urethral itch, may be related to urethritis, vulvovaginitis, allergies and other reasons. 1. Urethritis: the urethral mucosa located at the outlet of the bladder to the external urethral opening is infected by bacteria and other pathogens, an inflammatory reaction can occur, and the phenomenon of itchy urethral opening occurs. 2. Vulvovaginitis: female babies due to the lower level of estrogen, vulvar area of the mucosa, skin is thin, easy to be attacked by pathogens, causing local inflammatory reaction, can also lead to itchy urethra. 3. Allergy: if the female baby’s underwear fabric contains its allergenic substances, can cause the body to undergo an abnormal immune response, can appear urethral itching. The above symptoms may also be caused by other factors, it is recommended that parents take their children to the regular hospital in time to clarify the cause of the disease, under the guidance of the doctor for standardized treatment, and strive for early recovery.