Penis peeling and itching after masturbation, has been bad may be secondary fungal infection, bacterial infection or cause eczema and other reasons. 1. secondary fungal infection: penis peeling and itching after masturbation, may be low immunity, secondary fungal infection caused by dermatophytosis, resulting in local erythema, flaking, peeling, itching and other symptoms. 2. Bacterial infection: after masturbation causes local congestion and swelling, do not pay attention to hygiene, low immunity, may also cause bacterial infection caused by phimosis, will also cause pain, rash, vesicles, oozing and other symptoms, a small number of patients will have penis peeling, itching performance. 3. Eczema: masturbation stimulation, may cause penile foreskin congestion and edema, coupled with local secretion stimulation of physical factors, may cause penile skin eczema, causing local inflammatory reaction, resulting in skin swelling, itching, peeling, oozing and other manifestations. After masturbation penis peeling itching, has been bad, there may be other reasons, it is recommended to go to the hospital in time for examination, follow the doctor’s advice to take appropriate treatment measures.