The redness of acne is considered to be inflammatory acne, which is related to Propionibacterium acnes infection and sebaceous gland metabolism abnormality, and is mainly treated with medication and physical therapy. 1. Medication: You can choose drugs that can kill P. acnes bacteria and dissolve pimples, such as benzoyl peroxide, azelaic acid, etc. When the symptoms are severe, in addition to applying the above drugs, you can also use fusidic acid cream, etc. If the effect of purely topical medication is not obvious, you can also take antibiotic drugs orally, such as doxycycline and minocycline. 2. Physical therapy: acne redness can also be combined with physical therapy, mainly photodynamic therapy, red and blue light therapy, through the photodynamic effect can destroy propionibacteria, but also to reduce the inflammatory response. The same disease, the patient’s physical condition is different, different stages of the disease, the treatment method is different, should be standardized treatment under the guidance of the doctor. All of the above drugs should be used in accordance with medical advice.