Men can experience discomfort such as soreness and swelling during cystoscopy, and irritation to the prostate if the urethral mucosa is damaged. Cystoscopy is a kind of examination that can observe the changes of the mucous membrane in the bladder under direct vision to see if there are anatomical and functional abnormalities, and can also take pathological biopsy to make a clear diagnosis. 1. Soreness and distension: cystoscopy is performed under local anesthesia, so there is usually no obvious pain, but there will be soreness and distension and other discomforts when entering the mirror, and the discomfort is more serious in men than in women, especially in patients with prostatic hyperplasia, and the discomfort may be stronger. 2. Urethral mucous membrane damage: cystoscopy will cause some damage to the bladder, such as urethral mucous membrane damage, but also to the prostate gland caused by irritation, this damage will generally slowly fade or disappear, will not appear permanent damage. Overall, cystoscopy requires local anesthesia before the procedure is performed, and there is usually no significant discomfort. It is recommended to go to a regular hospital for a cystoscopy, and treat any abnormalities promptly.