The itchy inside of the male urethra is considered to be related to urethritis, ureteritis, prostatitis and glansitis. 1. Urethritis: mainly related to gonococcus, chlamydia trachomatis, mycoplasma infection. Patients will appear urethral stinging, frequent urination, urinary pain, increased urethral secretion and other symptoms, which can be manifested as itching inside the male urethra. 2. Ureteritis: the disease is related to bacterial, mycoplasma and other pathogenic infections, the patient’s typical symptoms of urinary frequency, urinary urgency, urinary pain, hematuria, lumbar and abdominal soreness, etc., which can be manifested as itchy inside the male urethra. 3. Prostatitis: Prostatitis is associated with pathogenic infections, while sedentary, alcoholism and other triggering factors. The disease will cause the patient to appear high fever, chills, nausea and vomiting, urinary frequency, urinary urgency, urinary pain and other symptoms, which can be manifested as itchy inside the male urethra. 4. glans: pathogen infection, hygiene products stimulation, trauma, etc. is the cause of glans, easy to cause some patients with itchy urethra. Some of the patients with glans will appear red and swollen foreskin, burning pain and pus discharge from the glans area, inguinal lymph node enlargement and other symptoms. It is recommended that men with itchy ureters should seek medical examination in order to clarify the cause of the disease and then follow the doctor’s instructions for treatment.