Chest acne may be caused by fungal infectious folliculitis, bacterial infectious folliculitis and infectious molluscum contagiosum, etc. The causative factors are different, the treatment is also different, generally according to the different diseases can be removed by oral or topical medication. 1. Fungal infectious folliculitis: generally common with Furfura sporotrichum folliculitis, usually manifested as a more dense red rash, part of the rash can appear on the small pustules, can be taken orally itraconazole capsule or topical miconazole nitrate ointment treatment. 2. Bacterial infectious folliculitis: also manifested as red pimples, which can be improved by oral minocycline capsules or topical fusidic acid ointment. 3. Molluscum contagiosum: the disease is caused by molluscum contagiosum virus infection, can choose to apply recombinant human interferon a2b ointment in the affected area or warts clamp removal. The above medication should be used in accordance with the doctor’s instructions. It is advisable to go to the hospital in time, after a clear diagnosis, under the guidance of the doctor, symptomatic treatment.