Boys below generally refers to boys external genitals, boys external genital pain may be the cause of urethritis, orchitis, prostatitis and other reasons, you need to choose the appropriate treatment according to the different causes, including drugs as well as surgery and other ways of treatment. 1. Urethritis: Urethritis is an infection of the urinary tract, the patient will have painful urination, urethral redness and swelling, urethral discharge, may lead to male genitalia pain, can take levofloxacin hydrochloride tablets, azithromycin capsules and other drugs to treat, if the urethral stenosis is also need to be treated through surgical means. 2. testicular inflammation: testicular inflammation refers to the patient testicular area of the inflammatory disease, the patient will appear local redness, swelling, pressure and pain, so that the male genitalia pain, you can use doxycycline hydrochloride tablets and other treatments. 3. Prostatitis: prostatitis is a common disease in adult males, patients will have painful urination, high fever and other phenomena, the symptoms of male genitalia pain, you can use azithromycin capsules, cefuroxime tablets and other drugs to relieve. Trauma, urinary stones and so on can also cause pain in the lower part of the boys, it is recommended that patients go to the hospital in time to do further examination, and then carry out targeted treatment. Drugs should be applied under the guidance of a doctor.