The penis skin has a pimple like thing, commonly in the chestnut papules, folliculitis, penile herpes, condyloma acuminata, pearl-like papules, sebaceous adenoma, infectious molluscum contagiosum, etc., need to go to the hospital for examination to clarify the diagnosis. 1, chestnut papules: good in the eyelids, cheeks, foreskin, scrotum and other parts, manifested as white or yellow pinhead-sized solid papules, the top round, pick open the papules can squeeze out the texture of the harder white granular The material can fall off on its own and does not leave a scar after the prognosis; 2. Folliculitis: such as boils, mostly on the head, buttocks, perianal area or other parts of the body, when occurring in the penis, initially like a pimple, a corn-sized sore grain, the number varies, gradually local congestion and hardening, redness, swelling, pain, the central tip of the nodule can appear yellow-white small pus plugs. You can choose the appropriate antibiotics according to the condition, such as cephalosporin, erythromycin, lincomycin, etc., topical antiseptic drugs, such as erythromycin ointment, mupirocin ointment, etc., pay attention to personal hygiene; 3, penile herpes: is infected by herpes simplex virus, mostly caused by sexual transmission, the initial local appearance of red papules on the penis, quickly become herpes, in a patchy distribution, herpes ruptured to form ulcers, the base is red. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The treatment is mostly topical, such as fluorouracil ointment, imiquimod cream, or laser, electrocautery, freezing and surgical excision methods, but the recurrence rate is high, so in the treatment should pay attention to improve the body’s antiviral immune function; 5, pearl-like papules: the cause is unknown, similar to the transparent rice-like papules, can be pinpoint fine beads, but also filiform or sharp It is a benign condition and therefore does not require special treatment. 6. Sebaceous adenoma: It is a benign tumor composed of incompletely differentiated sebaceous cells of different maturity levels, with irregular size and morphology. The actual fact is that you can find oral antibacterial drugs, or through freezing, electrocautery and other methods of treatment, but also surgery to remove it; 7, infectious molluscum contagiosum: caused by molluscum contagiosum virus infection, the typical skin lesions are hemispherical papules, the central umbilical concave, can extrude cheese molluscum vesicles. The local physical therapy can be given, such as freezing, laser, but also the application of drug therapy, such as topical silver nitrate, oral cimetidine, etc., but also need to be treated with both husband and wife; 8, other: drug allergies can also cause such symptoms, such as antibiotics, sulfonamides improper use of drugs, causing penile skin mucosa edema or rash, the need to stop using drugs that cause allergies, given antihistamines for anti-allergy treatment.