Acne on forehead and back can be removed by medication, physical therapy and life conditioning. 1. Medication: For patients with small number or acne, topical vita-acid cream and adapalene gel can be used, which can promote the abnormal keratinization of local hair follicle opening to return to normal and reduce sebum secretion. Patients with obvious inflammation can be treated with antibacterial and anti-inflammatory drugs, such as benzoyl peroxide gel and clindamycin gel. 2. Physical therapy: you can use red and blue light, intense pulsed light for local irradiation, or take fruit acid peeling or salicylic acid chemical peeling, to promote acne subside. 3. Life regulation: patients with excessive stress, mental tension, emotional instability. You need to relieve your inner pressure in time and ease your emotions. Pay attention to a light diet, avoid too much spicy, greasy, sweet food. At the same time, avoid staying up late and overworking, and keep the skin clean, which can help promote the acne to subside. Patients are advised to visit the hospital and choose the appropriate removal method under the doctor’s guidance.