Acne is generally referred to as acne, which is caused by the infection of Propionibacterium acnes, abnormal secretion and discharge of sebaceous glands, etc. Removal methods include general treatment, application of medication such as retinoic acid cream, oral medication isotretinoin, etc., and phototherapy. 1. General treatment: Acne patients need to pay attention to avoid staying up late, avoid exposure to the sun, do not eat high sugar and spicy food, in addition, need to pay attention to clean the skin to avoid clogging the skin pores. 2. Application of medication: Vitamin A cream, adapalene gel, benzoyl peroxide and other medications can be applied to the acne area. If necessary, antibiotics such as fusidic acid cream can be used in combination. 3. Oral medication: Oral medications include isotretinoin, doxycycline, etc. Female patients can also take spironolactone orally. 4. Phototherapy: If mild to moderate lesions are present, it can be combined with red and blue light irradiation. If acne scars have already appeared, fractional laser treatment is available. It is recommended that acne sufferers go to a dermatologist in a timely manner and take standardized treatment strictly under the guidance of a doctor, and do not self-medicate.