Small bumps at the male genitals may be caused by warts, genital herpes, folliculitis and other reasons. 1. warts: ever have unclean sex may be infected with human papilloma virus, suffering from warts can be presented with small cauliflower-shaped bumps. 2. genital herpes: the disease is caused by infection with the herpes virus, which can be manifested as raised blistering bumps on the genitals of men, accompanied by itching and other symptoms. 3. Folliculitis: usually do not pay attention to genital hygiene, bacterial infection triggered by inflammation of the hair follicles, can form small bumps protruding accompanied by pain, itching, and in severe cases may turn into pus. Male genitals have small bumps, there are many reasons, it is recommended to consult a doctor in a timely manner, to identify the cause of the physician’s guidance in the use of medication to the cause of the treatment, so as to avoid delays in the condition.