Penis peeling like corrosion may be scaly dermatitis, herpes virus infection, atopic dermatitis and fungal infection and other conditions. 1. Scaly dermatitis: it is one of the common causes of skin peeling, mainly due to bacterial infection as well as the stimulation of physical and chemical factors resulting in over-keratinization of the skin and shedding. 2. Herpes virus: The late stage of infection may cause peeling and pus formation as herpes subsides, and patients usually have a history of herpes virus infection. 3. Allergic dermatitis: it may be an allergic reaction caused by the patient’s use of rubber products such as penile condoms, which can lead to localized skin edema and peeling in the later stages. 4. Fungal infection: Fungal infection of the foreskin will induce local blistering, peeling, flaking and other clinical symptoms, and will also be accompanied by itching and pain. Penile peeling may also be caused by other factors, it is recommended that patients go to the regular hospital in time to seek treatment, and strive for early recovery.