White bumps in the male reproductive system should mean white bumps on the penis, which may be sebaceous cysts, pearly papules on the penis, folliculitis, warts and so on. 1. Sebaceous cysts: localized follicular sebaceous gland ducts are blocked, the secretion of the cystic structure formed by stagnation, may lead to white bumps on the penis. 2. Penile pearly papules: the etiology is unknown, may be related to the long foreskin local friction, will cause the glans coronal groove edge of the transparent or translucent shape of the small rice-sized pimples, usually no pain or itching sensation. 3. Folliculitis: secondary infection of the penile skin follicles can cause the follicles to protrude, swelling can also lead to white bumps at the penis. 4. Condyloma acuminatum: a sexually transmitted disease caused by human papillomavirus infection can cause cauliflower-like papillomatous organisms to appear on the external genitalia, so it may also lead to white bumps on the male penis. To summarize, there may be other reasons for white bumps in the male reproductive system, you need to go to the hospital in time to check, clarify the cause of the disease, and follow the doctor’s instructions for treatment.