The glans is distributed with extremely rich plexus of nerves, is one of the most sensitive parts of the male, easy to be disturbed by a variety of external factors, the emergence of the feeling of pain, so that many men suffer a lot of pain, a lot of factors can lead to pain in the glans, the following is an introduction to the common causes of clinical pain in the glans, specific as follows: 1, the infection factor: is the most common clinical factors, due to bacteria, viruses, gonococcus, fungus, and so on, can cause redness, swelling, heat, pain, urethritis. The glans circumcision, urethritis, etc. can lead to redness, swelling, heat and pain of the glans. 2, trauma, external force: friction and trauma caused by, it is recommended to maintain local hygiene, wear loose underwear, trauma caused by edema pain. To pay attention to blood circulation and avoid pressure and so on. 3, herpes glans: herpes simplex virus infection, typically characterized by severe pain unbearable. 4, allergy: contact dermatitis caused by skin allergies appear eczema caused by pain, such as contact with condoms and ointment caused by allergic reaction to pain. 5, other factors: long foreskin, not clean enough, foreskin scale stimulation of local inflammation of the foreskin and mucous membrane, unclean sexual intercourse can lead to glans pain. In addition, there are prostatitis and ureteral stones when the pain can also be radiated to the glans. The above factors can lead to glans pain, the most common clinical infectious factors and non-infectious factors, no matter what factors lead to pain should be taken seriously, active treatment, timely medical treatment, scientific diagnosis and treatment, do not use private medication to deal with or listen to advertisements, prescriptions and other delays in treatment.