Eliminating acne can be done through general treatment, medication and physical therapy. 1. General treatment: eat less high sugar, spicy and stimulating food. Adopt good living habits, avoid staying up late and living irregularly, pay attention to personal hygiene and keep the skin clean. 2. Medication: Acne treatment includes topical and oral medication, topical medication such as adapalene, azelaic acid, peroxybenzoic acid, retinoic acid ointment, etc., and oral medication such as minocycline, doxycycline and isotretinoin. Drugs need to be used under the guidance of a doctor according to the specific situation. 3. Physical therapy: photodynamic therapy, red and blue light irradiation and other treatments can be used to reduce the inflammatory reaction and promote the regression of skin lesions. It is recommended to go to the hospital in time, early treatment can control the condition, so as to avoid scarring and other serious damage.