White pustules on the penis may be caused by bacterial infection, folliculitis, warts, etc. as well as STDs such as condyloma acuminatum and syphilis. 1. Bacterial infections, white pustules, mostly caused by bacterial infections, but exactly what kind of bacteria, need to determine through bacterial culture, drug sensitivity tests, etc., and should also pay attention to the cleanliness of the affected area to prevent cross-infection. 2. Folliculitis, warts, etc., pustules growing on the penis or skin may be caused by localized folliculitis or warts. 3. Condyloma acuminatum, syphilis and other sexually transmitted diseases, if the growth of the site is the glans, the inner plate of the foreskin, and for the cauliflower pattern of growths or broken, need to consider whether the possibility of condyloma acuminatum and syphilis, especially for the history of unclean sex for the people need to pay attention to.