The medicine for itchy skin at the penis needs to be chosen according to the cause of the disease, such as eczema, you can apply zinc oxide ointment; such as contact dermatitis, you can use compound dexamethasone ointment, Haxinade ointment, etc.; such as fungal infections, you can use clotrimazole ointment, miconazole ointment and so on. 1. Eczema: internal and external stimulation of a variety of factors caused by the skin resulting in an inflammatory reaction, often manifested in various forms of skin lesions, accompanied by itching, can be used externally with zinc oxide ointment, glycerite lotion, boric acid solution and other medications. 2. Contact dermatitis: due to contact with certain easily sensitized or irritating substances after the occurrence of the perverse reaction, this time the need to clarify the cause and avoid, and at the same time to give medication, such as topical glucocorticosteroid ointment (compound dexamethasone cream, hassinade ointment), if necessary, can be combined with oral antihistamines such as chlortetracycline, and so on. 3. fungal infection: fungal infection caused by ringworm, ringworm, etc., can be used externally clotrimazole ointment, miconazole ointment and other antifungal drugs. There may be other reasons for the itchy skin at the penis, it is recommended to go to the hospital in a timely manner to clarify the cause of the disease, follow the doctor’s prescription medication, do not self-medication.