Men’s genital tube pimples are usually caused by warts, genital herpes, pearly penile papules and other diseases. 1. acromegaly: acromegaly is mainly caused by human infection with human papilloma virus, mostly seen in the sexual partners of the crowd, the patient will be in the glans, urethra and other places appear single or multiple groups of small reddish particles, similar to pimples. 2. genital herpes: genital herpes is caused by infection with the herpes simplex virus, male patients will appear locally erythema, hard nodules and blisters and other changes, which leads to men’s genital tube pimples. 3. Pearly penile papules: pearly penile papules are mainly caused by local irritation, and secondly, they are also related to developmental abnormalities. The patient will have localized pearly papules, which will lead to the phenomenon of acne in the genital canal. There are many other causes of acne in men’s genital ducts, and it is recommended that patients seek medical examination to clarify the cause of the disease, and cooperate with the doctor for standardized treatment.