The causes of female urethral warts: unclean sex, low immunity, traumatic infections, urethral physiological peculiarities and so on. 1. unclean sex: unclean intercourse is the main cause of infection of acromegaly. The girls’ acromegaly is caused by sexual touch. The patient with acromegaly is the main source of infection, conveying fast, high rate of infection, usually 3 weeks after the onset of infection. 2. low immunity: mainly refers to non-sexual touch infection, touching the secretions of patients with acromegaly or contaminated utensils, such as stained with secretions of the towel, clothing, and even the toilet bowl ring, can be infected. 3. trauma infection: the papilloma virus of acromegaly can invade the body through the skin or mucous membrane of the small crack trauma, after a few days of incubation, the germs reproduction to meet the number of the disease will begin to develop. 4. urethra physiological particulars: urethra acne warts relative to other location acne warts recurrence rate is relatively high, and the growth rate is relatively fast, because the urethra of the environment of the high temperature, and more moist, conducive to the growth of the virus. The actual urethra acuminatus is actually more difficult to treat, as a result of a part of it grows inside the urethra, the urethra is a narrow cavity, it is recommended that the patient is clearly diagnosed, and then get a standardized treatment in a timely manner.