The male penis itch is recommended to go to the hospital for further examination and symptomatic treatment after clear causes. Possible causes: 1, there is a local skin infection of the penis, local redness and swelling, skin breakdown, which can appear painful, itchy symptoms, it is recommended to use potassium permanganate solution diluted local cleaning of red and swollen parts, after cleaning to keep the local dry. If the redness and swelling is obvious with obvious pain, then you can apply topical Bactrim ointment for treatment. 2, penile skin fungal infection, you can see local skin acute ulceration, exudation, etc., and you can see local white or cheese-like secretions, etc., accompanied by severe itching, it is recommended to use a swab for smear, if found fungus, then use sodium bicarbonate solution for cleaning, and can use miconazole ointment agent local topical application, observe whether the itching symptoms are relieved.