The reason that can cause urethral stinging is more common in urethral trauma, urinary tract infection, such as circumcision, etc. There may also be other parts of the pain radiated to the urethra, causing urethral stinging. 1, urethral trauma: mostly seen in the local injury of the urethral orifice, if there is a break in the wound, urine can cause urethral stinging when passing through the urethral orifice; on the other hand, when urinating, the urethral orifice opens easily causing strain on the traumatic parts, cracking, can also cause urethral stinging. On the other hand, the opening of the urethra during urination can easily cause straining and cracking of the traumatic area, which can also cause stinging pain in the urethra. Generally, as long as there is no co-infection, it can heal itself within a short period of time; 2. Urinary tract infection: Inflammation around the urethra, such as urethritis, glansitis, prepuce, etc. Mostly due to infection with staphylococcus, Neisseria gonorrhoeae, Chlamydia trachomatis and other pathogenic microbial infections, clinical symptoms are frequent urination, urinary urgency, painful urination and other symptoms, serious cases will also appear hematuria, lumbago fever and other symptoms. Pain can be caused by inflammatory stimulation during urination, and stinging pain in the urethra when urine is left in the urethra. If such a situation exists, it is recommended that the patient seek medical treatment in a timely manner, and can be treated with antibiotics such as norfloxacin, levofloxacin and ceftriaxone as prescribed by the doctor. If the circumcision is recurrent due to the long foreskin, timely circumcision should be done; 3, other: other parts of the dispersion of pain, such as ureteral stones, urethral stones, etc., severe pain can be dispersed to the surrounding areas, dispersion to the urethra then the urethral pain, at this time need to be treated for the original cause.