There are many reasons for female urethritis, such as physiological and anatomical characteristics, lack of attention to personal hygiene, urinary tract obstruction, or medical operations. 1. Physiological and anatomical characteristics: the female urethra is wider, shorter and straighter than the male urethra, plus stimuli such as menstruation, perinatal period and sexual life can easily induce infection. 2. Do not pay attention to personal hygiene: do not pay attention to personal hygiene, do not often take a bath, do not change the underwear in time, etc. is also easy to cause female urethritis. 3. Urinary tract obstruction: urinary system has stones, tumors and other obstructive diseases, also easy to cause urethritis. 4. Medical operation: such as gynecological examination, urethral dilatation, cystoscopy, etc. may also cause female urethritis. There may be other causes of female urethritis, it is recommended to go to the hospital for examination first, to clarify the cause of the disease, and follow the doctor’s instructions for treatment.