Elderly urethritis recurrence may be due to diabetes and other weak resistance, incomplete treatment, prostate hyperplasia, urinary stones and so on, it is recommended that further examination. 1. Weak resistance or incomplete treatment: for elderly patients, the urethral mucosa atrophy and thinning, the local antibacterial substances to reduce the local mucosal defenses are weakened, urethritis is prone to recurring; if the combination of diabetes and other underlying diseases lead to decreased resistance, as well as previous treatment is incomplete and so on, easily caused by recurrent infections. 2. Prostatic hyperplasia: for older men, if there is prostatic hyperplasia, the hyperplasia of the prostate may cause a certain degree of urinary tract obstruction, resulting in poor urination, easy to cause urinary tract infections. 3. Urinary stones: If there are urinary stones, as well as bladder tumors and other occupying lesions, it may cause obstruction of the urinary tract, causing urinary retention, leading to bacterial growth, which can easily cause urethritis. Repeated episodes of urethritis in the elderly may also be caused by other factors, therefore, it is recommended to go to the regular hospital in time for further examination, to clarify the cause of the disease and then treatment, and strive for early recovery.