Men’s pubic acne is considered to be caused by folliculitis, condyloma acuminatum, sebaceous cysts and other diseases. 1. folliculitis: folliculitis is more common infectious folliculitis and bacterial, fungal, viral infections have a relationship, the male pubic hair follicles are more, if you do not pay attention to personal hygiene, it will cause pathogenic infections appear folliculitis, the main manifestation is the hair follicle as the center of the red pimples. 2. Condyloma acuminatum: the occurrence of condyloma acuminatum is related to human papilloma virus infection, this virus has a pro-philicity for the skin and mucous membranes, which will lead to the proliferation of epithelial tissues, so that the epidermis is thickened and keratinized to appear as a papillomatous tumour, this is a contagious disease, which is mainly transmitted through sexual contact. 3. Sebaceous cysts: sebaceous glands secrete sebum through the ducts to the skin, but if the follicle of the sebaceous gland mouth is blocked, sebum will accumulate to form cysts, for the smaller sebaceous cysts do not have too obvious clinical symptoms, the larger cysts will be on the surrounding tissues caused by compression, resulting in discomfort. There may be other causes of pimples in the pubic area of boys, so they should go to the hospital for further examination to clarify the cause and treatment.