Possible causes of burning sensation in the urethra during ejaculation: First, urethritis, urethral mucosal congestion, edema, erosion and other changes, then there can be pain or burning sensation during ejaculation, accompanied by urinary abnormalities, such as frequent urination, urinary urgency, urinary pain, burning or itching in the urethra symptoms. If the urethritis is caused by sexually transmitted diseases, there can also be white or yellow discharge from the urethra, such as gonorrhea or nongonococcal urethritis, etc., and need to carry out a secretion examination and routine urinalysis to confirm the diagnosis. Second, the infection of the seminal tract, such as inflammation of the vas deferens, seminal vesiculitis, seminal vesiculitis, leading to semen containing pus cells, leukocytes or bacteria, etc., which is ejaculated out of the urethra, and then there will be a tingling and burning sensation in the urethra. It is usually not accompanied by symptoms such as frequent urination and urgency, and requires routine and culture tests of semen to determine.