Urethral redness may be due to improper dressing, urethritis, urethral trauma, male circumcision, genital herpes, etc. General treatment, medication, and surgical treatment should be given according to their causes. 1. Improper dressing: redness caused by pressing the urethra through tight underwear or jeans, replacing loose cotton pants can gradually improve. 2. Urethritis: If it is gonococcal urethritis, antibiotics such as ceftriaxone sodium, azithromycin, doxycycline and other antibiotics can be given to fight infection. If it is non-gonococcal urethritis, it can be given levofloxacin, cefaclor and other antibiotic treatment. 3. Urethral trauma: If it is bacterial infection, erythromycin ointment can be given external coating, oral cefuroxime, levofloxacin and other treatments. 4. Male circumcision: mometasone furoate ointment can be given topical application, and then circumcision can be performed after the symptoms are relieved. 5. Genital herpes: Herpes virus infection causes red urethral opening, can be given acyclovir, vasiclovir and other drugs. Urethral red, it is recommended to consult a doctor in a timely manner to identify the cause of the disease, follow the doctor’s instructions for treatment, do not self-medication.