Small pimples around the private parts of boys that is, pimples around the genital organs of boys may be caused by pearly papules, folliculitis, warts and other causes. 1. Pearly papules: a skin disease characterized by pearly, translucent papules on the coronal edge of the penis and the coronal sulcus. It may be related to the long foreskin and infection of the coronal groove of the foreskin. It may appear white, yellow or red papules in pearly shape. 2. Folliculitis: most patients are caused by various pathogenic bacteria infections, which may also be caused by poor autoimmunity. The common manifestation is the formation of red papules or pustules around the hair follicles, accompanied by red, swollen, hot and painful inflammatory reaction. 3. Condyloma acuminatum: It is a common sexually transmitted disease caused by human papilloma virus infection. Its clinical manifestations are papules, keratinized plaques, papillary or cauliflower-like redundancies around the genitals. In addition, it is recommended that patients with small bumps around the genitals go to the hospital in time to do the relevant examination, to clarify the cause of the disease and then follow the doctor’s instructions for treatment, to avoid delaying the condition.