The tests that can be done on the bladder and urethra include:1. Ultrasound examination of the urinary system, ultrasound can examine the bladder as well as the urethra, and they are non-invasive examination methods that will not cause any pain to the patients.2. Intravenous urography, which requires the injection of a contrast agent into the blood vessel, and observes the situation of urethral imaging under the dynamic monitoring of X-rays, which is also a non-invasive examination, and it requires four X-ray films taken consecutively during the examination. This is also a non-invasive examination, which requires 4 X-ray films to be taken continuously, including at the time of injection, 8 minutes after the injection, 15 minutes after the injection and 30 minutes after the injection, so the length of the examination lasts for about 30 minutes.3. Cystoscopy and urethroscopy, which is a traumatic examination, but through cystoscopy and urethroscopy, it can be very intuitively observed whether there is any lesion in the bladder and urethra, and it is suitable for stones, tumors and polyps, and treatment measures can be taken under cystoscopy or urethroscopy at the same time. The urethroscope can also be used to take therapeutic measures, such as lithotripsy, stone removal or localized biopsy.