Localized bumps after circumcision may be caused by scars, pearly penile papules and so on. 1. Scars: If the patient is scarred in the surgical incision area after circumcision, scars will appear when healing, so the patient will have pimples on the affected area. 2. pearly penile papules: the etiology of pearly penile papules is unknown, may be related to local stimulation, physiological developmental variations and other factors. The patient’s coronal edge of the penis and the coronal groove will be manifested as pearly translucent papules, if the patient after circumcision pearly penile papules will be manifested as localized pimples. Localized pimples after circumcision may also be caused by other factors, it is recommended that patients go to the regular hospital in time, the doctor will choose the appropriate measures according to the cause of the treatment.