Penis redness and peeling skin may be related to circumcision and glans, genital herpes, allergic dermatitis and other causes. 1. Foreskin glansitis: the foreskin and glans are infected by bacteria and other infections, which can cause local symptoms of redness, swelling, erosion and peeling skin. 2. Genital herpes: Herpes simplex virus infects the penile skin, which can cause herpes, redness, swelling, ulcers and other symptoms. 3. Allergic dermatitis: If the penis comes into contact with allergenic substances such as condoms, an abnormal immune response can occur, resulting in redness and peeling of the penile area. The above symptoms may also be caused by other factors, it is recommended that people with redness and peeling penis go to the regular hospital in time to clarify the cause of the disease, and standardized treatment under the guidance of the doctor, so as not to delay the condition.