Sores on the glans are caused by infection factors, the specific reasons are: first, the foreskin is too long to hide dirt, and usually do not pay attention to cleaning will easily cause infection; second, sharing hygiene products with other people, may be infected with viruses or other germs cause sores on the glans; third, unclean sex later caused by STD infection, especially with genital herpes, syphilis has a certain relationship; fourth, external injury factors, injury After the anti-inflammatory work is not in place, by the urine erosion prone to problems. The glans is a very heavy male organ, once the lesion needs to figure out the specific cause, the pathogens are mostly related to staphylococcus, streptococcus, E. coli, Candida albicans, fungal infections, the pathogens are different treatment options are also different.