There are small bumps in a circle on the edge of the glans, which can be considered as pearly penile papules, condyloma acuminatum or sebaceous ectasia. 1. pearly penile papules: the most common in the circumcision, may be related to long-term chronic inflammatory stimulation, lesions can be located close to the coronal groove of the glans edge, early papules dome-shaped, with the progress of the conical, with the tip of the fluffy material, papules along the coronal groove can be arranged and shaped, no self-conscious symptoms. The majority of them don’t need to be treated. 2. Warts: caused by the infection of human papilloma virus, men can be seen in the glans, the coronal groove, etc., the lesions of the initial stage can be a single or more light red small papules, soft, sharp tip, and then gradually increase in size, can be vegetable pattern. 3. Sebaceous ectasia: it can occur in the male prepuce, glans, with sebaceous gland hyperplasia, manifested as clusters of pinpoint-sized yellowish pimples, and the result of acetic acid white test is negative. To summarize, small bumps on the glans suggest timely medical treatment.