Broken foreskin skin may be related to penile inflammation, penile tumor, sexually transmitted diseases and so on. 1. Penile inflammation: such as penile circumcision, when the penile foreskin is infected by pathogenic bacteria, it can cause inflammatory reaction, itching, breaking and other symptoms. 2. Penile tumor: such as penile cancer, when the cancer cells invade the skin tissues and blood vessels, ulcers with bleeding may appear on the surface of penile skin. 3. Sexually transmitted diseases: such as stage 1 syphilis, erythema may appear, which rapidly develops into skin ulceration and is manifested as broken prepuce skin. It is recommended that people with broken foreskin go to the hospital in a timely manner to clarify the cause of the disease and standardize the treatment under the guidance of the doctor, so as not to delay the condition to bring adverse effects on the body.