Acne refers to acne in medicine. Acne in boys needs to be treated according to the specific causes, such as Propionibacterium acnes infection, folliculitis, and hyperandrogenism, etc. General treatment, medication, and physical therapy are taken after clear diagnosis. 1. Propionibacterium acnes infection: Boys infected with Propionibacterium acnes can use benzoyl peroxide ointment, adapalene gel and other medications to apply, and if necessary, can be used to inhibit the growth of Propionibacterium acnes through laser treatment. 2. Folliculitis: Folliculitis can also cause acne in men, you can use antibiotic ointment, such as mupirocin ointment, erythromycin ointment and other medications to help inflammation subside. In addition, patients need to do a good job of skin care and cleaning. 3. Excessive androgen secretion: Acne in men may be due to pubertal development and high levels of androgens in the body, leading to excessive secretion of sebaceous glands, and finally the formation of acne. Patients can use retinoic acid ointment to inhibit oil secretion, and if necessary, they can choose anti-androgenic drugs, such as spironolactone. The above drugs should be used in accordance with the doctor’s instructions, and it is recommended that patients go to the hospital in time to complete the examination and give targeted treatment after a clear diagnosis, do not self-medication, so as not to lead to adverse consequences.