Penile friction pain should be related to the examination to know the causes of pain, there are the following common causes: 1, pay attention to observe the penile skin with or without breakage, with or without secretion, ooze, redness and swelling, if the above phenomenon may be caused by trauma or inflammation. 2, pay attention to check the glans skin condition, the same need to pay attention to the glans with or without secretion, vesiculitis, ulcers, if there is the above situation may be caused by the If you have any of the above conditions, the pain may be caused by glans. 3, may be the urethra lesions such as urethritis, urinary stones caused by pain, urine routine, urethroscopy, ultrasound, etc. can be found in the location of the lesion, so as to carry out the appropriate treatment. In daily life, pay attention to wear loose, cotton, comfortable underwear, avoid wearing chemical fiber clothing, usually also pay attention to develop good personal hygiene habits, diligent bathing and changing underwear, before and after sex bath.