Red spots on the glans of men are caused by the following four conditions: first, bacterial glansitis, in the inflammation of the stimulation will appear glans local redness, exudation, pain and redness of the symptoms, mostly due to abnormal reproduction of bacteria, most often in men who do not pay attention to genital hygiene or circumcision. Second, trichomonas glans, due to unclean sexual contact infection resulting in the glans surface erythema, small papule-like changes, there is a significant local tingling sensation. Third, the considered mycotic glansitis, there will be an increase in secretion along with the appearance of red spots on the glans, and the secretion is mostly milky or cheese colored. Fourth, the fixed drug rash considered, if men use drugs or take drugs after the phenomenon of allergy, resulting in red spots on the glans, other skin will also have red spots and itching symptoms appear, glans red spots to seek medical attention in time to avoid delaying treatment.