To explore the efficacy of facial acne scars treatment with micro-plasma radio frequency.A total of 24 patients with facial acne scars underwent micro-plasma treatment for 3 - 5 times. And their efficacies were evaluated by the patient photographs before and 2 months after treatment.Facial acne scars were characterized by clouds of pitted scars with no specific shape. No difference appears in susceptibility between males and females. The overall improvement rate was 83.33%. The degree of improvement was as follows: significant 33.33%, moderate 25%, mild 25% and poor 16.67%.Micro-plasma technique is an effective therapy for acne scar.