Penile skin itching may be due to eczema (mainly related to personal habits, immune factors), allergies (condoms and other contact allergies), inflammation (phimosis) and other reasons, long-term penile skin itching can not be relieved need to go to the regular hospital in time. Pubic eczema is mainly related to personal habits, immune factors, etc., the pubic area is in a humid environment for a long time or through tight pants, etc. may lead to pubic eczema, which will cause redness and itching of the penile skin, can be in the guidance of a professional doctor to apply glycerine lotion, internal cetirizine tablets for treatment. Local contact with allergens can also cause penile skin redness and itching, such as contact with condoms triggered by allergic reactions, etc., need to go to the regular hospital in time to check the allergens, clear allergens for anti-allergy treatment, such as taking loratadine. Patients with circumcision can be stimulated by the foreskin scale, triggering inflammation, triggering penile skin itching, can be used locally under the guidance of a professional doctor, such as potassium permanganate solution. There are many reasons for itchy penile skin, it is recommended that patients go to the hospital in time for examination and treatment under the guidance of the doctor after clarifying the cause.