Flesh bumps on top of the penis skin may be caused by diseases such as condyloma acuminatum, flat warts, pearly penile papules, or other diseases such as eczema. 1. Condyloma acuminatum: Condyloma acuminatum is mainly caused by HPV infection, and the patient will have symptoms such as cauliflower-like and papillary pimples, vesicles and bleeding. Condyloma acuminatum also leads to symptoms such as terminal hematuria and urethral bleeding, as well as oozing and infection. 2. flat warts: flat warts are mainly caused by HPV infection, and the patient’s main symptoms are flat papules, mild itching and so on. 3. pearly penile papules: the cause of pearly penile papules is not clear, considered to be due to physiological developmental variations. The main symptoms of patients are pearly, translucent papules, no pressure pain, smooth surface and other symptoms, but also mild itching and other symptoms. 4. Other: eczema, sebaceous cysts and other diseases can also lead to patients with the phenomenon of penile skin above the long pimples. Bumps on the skin of the penis may also be caused by other factors, it is recommended that patients go to the regular hospital in time to seek treatment, and strive for early recovery.