A lot of back acne may be a condition such as acne, folliculitis, or boils, and should be helped to be removed through life modification, use of medication, and physical therapy, depending on the cause. 1. Acne: If pimples, pustules, inflammatory papules or nodules appear on the back area, it may be acne. It can be treated by applying adapalene gel, retinoic acid cream, clindamycin ointment, fusidic acid ointment, etc., and in severe cases with oral viamin and other drugs. Can also with red and blue light irradiation treatment to improve inflammation. 2. Folliculitis: manifested as raised red bumps with white pus spots at the top. Erythromycin ointment, mupirocin ointment and other drugs can be applied. If necessary, you can use far infrared rays, ultra-short wave treatment. If pus has formed and broken out, it can be incised and drained for treatment. 3. Boils: related to Staphylococcus aureus infection, there will be a large raised bag with obvious pain. It can be treated by applying ichthyol ointment and other medicines, and can be treated by incision and drainage after pus has formed. If you have a lot of back acne, it is best to consult a doctor in time to make a clear diagnosis and follow the doctor’s instructions for symptomatic treatment.