It is recommended that women go to the hospital for an examination to identify the possible causes of the hot and spicy sensation in the urethra after urination. First, the presence of polyps or caruncles in the urethra, if combined with infection, will cause a local hot and spicy sensation after urination, because the local mucosa breaks down and urine stimulates the local broken mucosa to produce the above symptoms. On physical examination, small polyps or caruncle-like changes can be seen in the urethra, and the surface mucosa is not smooth, and erosion or purulent secretions can be seen. Second, there is an acute urinary tract infection, which can appear in the urethral mucosa congestion, edema, even with local ulceration and other changes, after urination will produce a local hot and irritating sensation. At the same time, it may be accompanied by white or purulent discharge from the urethra, accompanied by symptoms such as frequent urination, urinary urgency, painful urination, etc. Further urinalysis tests are needed to confirm the diagnosis. Third, urethral syndrome, the specific cause is unknown, may be due to the acute infection is not completely cured, turned into a chronic infection caused by a local hot and painful feeling at the urethra. At the same time, it may be accompanied by symptoms of frequent urination, urinary urgency, painful urination. Generally, urine routine and urine culture tests may be normal, and if necessary, urethroscopy is required.