The burning sensation in the urethra may be caused by urinary tract infection, urinary tract stones, tumors and other reasons. 1. urinary system infection: one of the most common diseases of the urinary system, such as cystitis, urethritis, prostatitis, etc., inflammatory stimuli will cause congestion and swelling of the mucous membrane, resulting in burning sensation in the urethra. 2. Urinary stones: such as bladder stones, urethral stones, etc., stone stimulation of the urethra can also cause burning sensation in the urethra. 3. Tumors: bladder cancer, urethral tumor, prostate cancer, etc., squeezing the local urethra may also cause burning sensation in the urethra. Burning sensation in the urethra may have other reasons, such as urethral trauma, etc. You need to go to the hospital for examination in time and follow the doctor’s instructions for treatment.