Back acne can be removed by different treatments according to the type of back acne, and common treatments include topical application of medication, oral medication, and physical therapy. 1. Topical application: mostly used for back acne for acne, you can use the drug topical application, commonly used topical application of drugs such as adapalene gel, Vitamin A acid ointment. 2. Oral medication: mostly used for back acne for inflammatory papules and symptoms of a large area, can be applied locally at the same time take antibiotics, common oral antibiotics are doxycycline, minocycline and so on. 3. Physical therapy: mostly used for back acne for cysts. Commonly used physical therapy is photodynamic therapy, red and blue light therapy. Drugs need to be used under the guidance of a physician, in the treatment at the same time, you also need to live a regular routine, diet to light diet.