Acne refers to acne. In general, the methods to eliminate acne include medication, physical therapy, and also daily care. 1. Medication: Mild acne can be treated with topical medication only. The more commonly used ones are retinoic acid creams, such as retinoic acid ointment, isotretinoin gel, adapalene gel, etc., which have the effect of helping to regulate the epidermal keratinization and fight inflammation. More severe cases need to be combined with oral medications, such as isotretinoin soft capsules and minocycline. The above drugs need to be used under the guidance of a doctor. 2. Physical therapy: for example, photodynamic therapy, mainly through the photodynamic effect to reduce the inflammatory reaction, can effectively eliminate acne, at the same time, there may be pain, discoloration, erythema, scabs and other adverse reactions. 3. Daily care: daily attention to regular work and rest, do not stay up late; light diet, eat less spicy, high sugar, greasy food; pay attention to personal hygiene, keep the skin clean, and avoid skin exposure to the sun. In life, pay attention to keep the skin dry and clean, avoid squeezing and picking pimples, avoid self-medication to prevent infection and aggravation of symptoms. Standardized treatment under the guidance of professional doctors.