The time it takes for penile skin ulcers to heal depends on the cause. The first step is to understand the cause of penile skin ulcers. A common cause is glans penis or phimosis, which can heal in 3 to 6 weeks after antibiotic treatment. This condition is associated with a long foreskin or prepuce, poor local hygiene, sexual impurity, herpes, syphilis, and drug allergies. Other causes of penile skin ulceration and healing time: 1. Penile injury: if it is a tear of the white membrane of the penis, the wound can be healed after 6 weeks; if it is a fracture of the penis, it depends on the recovery status after surgery. 2. Penile sclerosis: manifested as bending of the penis with pain during erection, the healing time depends on the treatment method and individual physique. 3. Syphilis, tumors and other diseases: the healing time depends on the condition and treatment effect. If there are ulcers on the skin of the penis, it is recommended to go to the hospital for diagnosis and treatment as soon as possible.