Urethral dilatation caused by mucosal injury, usually can be self-healing, but for moderate to severe mucosal injury, usually can not be self-healing. Urethral mucosal injury is often accompanied by pain in the urethral opening, some patients may also have frequent urination, urinary urgency, painful urination, etc., the cause of the injury has a variety of reasons, which may be caused by external factors, but also due to inflammation caused by stimulation of the urethral mucosal lesions of minor injuries can generally be recovered after one week, will not have a greater impact on the urethra. But if it is a moderate or severe urethral mucosal injury, usually can not recover by itself, need to take antibiotics to carry on the treatment, and even if the urethral mucosal injury occurs serious fracture, is the need for further surgical treatment to do the anastomosis, specific can consult a professional physician’s opinion.