Single-needle radiofrequency is the use of the principle of laser, the intense pulsed light into the dermis of the acne, so as to inhibit the reproduction of Propionibacterium acnes and reduce the secretion of oil, so as to achieve the efficacy of the acne, but it is recommended that the patient in the guidance of a professional doctor for single-needle radiofrequency acne. Single-needle radiofrequency is a clinical acne treatment, not only for closed mouth acne, but also for cystic nodule acne has good therapeutic effect. It works by applying intense pulsed light to the dermis of the acne, inhibiting sebaceous gland secretion and killing Propionibacterium acnes to achieve the treatment effect, and actively doing a good job of skin cleansing and sunscreen after the operation. For patients who need to remove acne through single-needle radiofrequency, it is recommended to go to a regular hospital and operate under the guidance of a professional doctor to prevent adverse reactions.