If you have a stinging sensation when urinating, it is recommended that you go to the hospital for an examination to clarify the specific causes: first, acute urethritis or cystitis can occur with a stinging sensation when urinating, accompanied by symptoms of frequent urination and urinary urgency, and require urinalysis to determine whether there is an infection of the urethra or bladder. Second, the presence of urethral stones and bladder stones can cause stinging sensation when urinating, and may be accompanied by bleeding when urinating or obstruction, such as difficulty in urination or the phenomenon of bifurcation of urination, it is recommended to undergo ultrasound examination of the urinary system and urethroscopy to clarify the presence of stones. Thirdly, men may have a stinging sensation in their urine due to prostatitis, which may be accompanied by pain in the perineal area or with white sticky prostate fluid secreted from the urethra. It is advisable to have an ultrasound examination of the prostate gland and a routine examination of the prostate fluid to determine if there is prostatitis. The fourth, some unclean sexual contact may have a sexually transmitted disease, which may cause a stinging sensation in the urine, such as burning and stinging in the urethra, accompanied by increased secretions in the urethra, etc., need to be related to the laboratory tests, such as gonococcal smear, mycoplasma, chlamydia culture, etc. to confirm the diagnosis.