The glans and foreskin of the small red spots to deal with: first, check the diagnosis of bacterial infections caused by the recommended use of potassium permanganate solution diluted after the local cleaning, clean and keep the local dry, topical application of erythromycin ointment a little bit of 3 times / day for 5 days to observe the symptoms of topical application whether it disappeared. Second, if the diagnosis of the existence of local fungal infections, it is recommended to use sodium bicarbonate solution for local washing, washing finished to maintain dryness, local topical application of miconazole ointment a little 3 times / day, continuous topical application for a week to observe whether the symptoms disappeared. Third, if the diagnosis of trichomonas infection caused by local red spots, it is recommended to use metronidazole solution for external washing, and oral metronidazole tablets 1 tablet / times, 3 times / day, for one week to observe whether the symptoms disappear. Fourth, if there has been unclean sexual contact, confirmed the existence of non-gonococcal urethritis or the existence of mycoplasma, chlamydia infection, it is recommended to take roxithromycin capsule 1 capsule / times, 2 times / day, for a week of continuous oral intake, and the external application of erythromycin ointment a little bit of 3 times / day, for a week of external application of treatment.