The common causes of feeling hot penis at the end of urination include urethritis, chronic prostatitis, urethral stones, etc. You need to go to the hospital immediately to find out the cause. 1. Urethritis: Urethritis is an inflammation of the urethra caused by gonococcus or non-gonococcus bacteria. Various microorganisms, such as gonococcus and Chlamydia trachomatis, can invade the epithelial cells of the urethral mucosa, thereby triggering a localized inflammation, which is mainly manifested as frequent urination, painful urination, burning sensation, which may be accompanied by pus-like secretion, and so on. 2. Chronic prostatitis: Chronic prostatitis refers to chronic inflammation of the prostate tissue due to various reasons, and the pathogen infection leads to pain centered on the prostate, often accompanied by perineal discomfort, urethral burning, urinary frequency, urinary urgency, urinary pain and so on. 3. Urethral calculi: Urethral calculi usually come from the kidney or bladder, when the urethral calculi are embedded in the urethra, the constant impact of urine will damage the urethral mucosa and cause fever, manifesting the phenomenon of fever in the penis after urination. Secondly, urethral calculi are often accompanied by infection, urinary tract infection with bacterial urine on the urethra to produce stimulation, will also cause the phenomenon of burning sensation in the urethra. When patients experience discomfort, they should go to the hospital immediately.