Penile ulcers are a symptom of many penile diseases and are caused by necrosis of the penile surface tissue, cell lysis and bacterial multiplication. Penile ulcers are not easy to treat, as there are many causative factors for penile ulcers, and the penis is a special area that is not well ventilated, so ulcers can easily recur. Patients need to keep the penis clean during treatment, avoid sexual intercourse and need to abstain from spicy and irritating food to avoid recurrence.