When urinating, the stinging pain inside the glans may be related to urethritis, prostatitis, glans, urethral stones and other causes. 1. Urethritis: it can be caused by sexual transmission or obstruction, the spread of inflammation, etc. After bacteria, viruses and other pathogens invade the urethra, it can lead to itching, burning sensation or redness of the urethral orifice, and it manifests itself as frequent urination, urgency, and painful urination when urinating. 2. Prostatitis: non-infectious or infectious factors can lead to prostatitis, with frequent urination, urinary urgency, painful urination or abnormal urination. 3.Inflammation of the foreskin and glans: inflammatory reaction of the penis or foreskin, which may cause pain, redness, swelling and odor, and stinging pain during urination. 4. Urethral calculi: When the calculi are located in the bladder wall segment, they can cause pain in the urethra and inside the glans due to pain radiation, and there can be hematuria. Pain inside the glans or urethra during urination, it is recommended to go to the hospital specialist in time, to clarify the cause of the disease and then treatment.