● The most important thing in treating acne is to provide the best treatment plan according to the grading ● Secondly, the treatment course should be adequate, focusing on maintenance treatment and restorative treatment, so as to achieve both the symptoms and the root cause ● The development of a 4-stage physical therapy program can greatly shorten the course of treatment and the treatment cycle, and the stage treatment is the most ideal treatment plan for acne at present Treatment stages Main treatment goals Main physical therapy methods Stage I Acne removal and Control greasiness Pimple removal (teasing), inversion Phase 2 Control inflammation, sterilization Red and blue light irradiation, inversion Phase 3 Treatment of the most severe acne: cysts, nodules Photodynamic therapy Phase 4 Repair (scar removal, acne mark removal) Intense pulsed light, co2 fractional laser Red light, inversion