Men infected with HPV type 51 will have different symptoms on their skin such as pimples and skin eruptions. HPV51 is a high-risk type and can be contracted through sexual contact and vertical transmission from mother to child. Men infected with HPV type 51 may have cutaneous mucosal lesions, which are usually found in the perianal and genital areas. In the early stage of the disease, there may be small, scattered papillary warts, which will gradually increase in size or merge with each other to form corns or cauliflower-shaped warts; usually the lesions are soft and moist. In addition to the above symptoms, some male patients will have pimples, vesicles, hyperpigmentation, etc., also easily accompanied by bleeding during sexual intercourse, itching in the genital area and other symptoms. It is worth noting that some men may have no obvious discomfort. It is recommended that men who are infected with HPV51 should actively cooperate with their doctors, pay attention to cleanliness and hygiene, and avoid unclean sex.