A small granulation on the penis may be due to problems such as pearly rash and condyloma acuminatum. 1. Pearl Rash: generally refers to a circle of light pink uniform tiny granular hyperplasia on the glans near the coronal sulcus, which manifests itself as pearly milky white pimples, itching and other symptoms, which leads to the situation of a small bud growing on the penis. 2. Condyloma acuminatum: generally caused by infection with human papilloma virus HPV virus, manifested as warts, hematuria, vulvar squamous epithelial warty hyperplasia and other symptoms, thus appearing in the penis to grow a small bud of the situation. A small bud on the penis need to go to the hospital in time to confirm the diagnosis, under the guidance of the doctor’s instructions for standardized treatment, usually need to pay attention to local hygiene, eat less spicy food.