Pimples in medicine refers to acne, pimples do not hurt and itchy raised, generally indicates that there is no bacterial infection at this time, belongs to the closed acne, also known as whiteheads acne, the patient can be under the guidance of the doctor through the general treatment, topical medication or chemical exfoliators therapy, etc. to improve. 1. General treatment: It is recommended that patients choose warm water and mild cleansing products for facial cleansing, and avoid scratching the skin lesions with hands, and avoid excessive use of high-sugar, high-fat foods. 2. Topical medication: It is recommended that patients use adapalene gel, benzoyl peroxide and other medications under the guidance of a doctor to improve the situation. 3. Chemical peeling therapy: patients can use chemical peeling therapy to remove closed mouth acne. Common chemical exfoliators include salicylic acid, trichloroacetic acid, and fruit acids. Facial painless raised acne, it is recommended that patients go to the hospital for examination in a timely manner, under the guidance of a doctor to standardize the treatment, in order to prevent the formation of inflammatory acne infection.