Rice-like pimples on the skin of the penis may be the result of diseases such as genital herpes, warts, and pearly penile papules. 1. Genital herpes: genital herpes is a disease caused by herpes simplex virus infection. Clinical manifestations of genital and anal skin scattered or clusters of small water scars, rupture after the formation of vesicles or ulcers, self-conscious pain. 2. Condyloma acuminatum: Clinical manifestations of single or multiple small reddish particles, soft texture, male patients mostly see the glans, penis, perineum and other places. The cause of the disease is mostly related to HPV infection of the skin. 3. Pearly penile papules: mainly manifested as pearly rash and translucent papules at the penis, with a size of 0.5~1mm, which may be related to factors such as long prepuce. Causes of penile skin with rice-like pimples is not a reason, it is recommended that patients seek medical examination, clear causes, timely treatment.