Bumps on the penis are usually considered parapenile gland hyperplasia, infectious molluscum contagiosum, condyloma acuminatum and other diseases. 1. penile girdle paraganglioma: penile girdle paraganglioma color is usually white or reddish pimples, the number is small, distributed in the two sides of the girdle, the etiology of the unknown, may be physiological abnormality or local stimulation and so on, generally do not need special treatment. 2. Molluscum contagiosum: usually caused by the molluscum contagiosum rash virus, can be manifested as hemispherical papules, which have umbilical concavity, which contains milky white cheese-like material, the color can be gray, pearl color. 3. acromegaly: acromegaly warts are usually white, pink, light gray, accompanied by itching, burning sensation, usually due to HPV infection, lesions are distributed in all parts of the genitals, the early reddish pimples, the late cauliflower-like, cockle-like. To summarize, if there are bumps on the penis, it is recommended that the patient go to the urology department of the hospital in a timely manner, to clarify the cause of the disease, and under the guidance of the doctor to carry out the next step in the examination and treatment.