Evaluate the Efficacy and Safety of Intense Pulsed Light Filters Combined With Oral Medication in the Treatment of Acne

Lumenis OneTM, OPT tender system produced by American Medical Science Company; Use four of the filters. Acne filter has a wavelength of 400-600/800-1200nm. Three pulses were used for treatment, with a pulse width of 5.0ms, a pulse delay of 30ns, and an energy density of 15j /cm2. The instrument parameters were selected according to the skin lesion characteristics, age and tolerance.