It is also known as closed acne when you have a lot of pimples and closed mouths on your face. It can be improved by facial cleansing, topical medication and acid peeling. 1. Facial cleansing: this disease has a certain relationship with pore clogging, so patients need to pay attention to facial cleansing and moisturizing, to prevent the oil attached to the face and cause pore clogging. 2. Topical medications: This disease can be treated with a variety of topical medications, such as azelaic acid and retinoids. The former can inhibit P. acnes and dissolve pimples, but patients may experience symptoms such as stinging, redness and swelling. The latter can not only dissolve acne, but also improve abnormal follicular keratinization, such as tazarotene and isotretinoin. 3. Fruit acid peeling: fruit acid makes the epidermis or superficial dermis partially exfoliated, stimulating collagen reorganization, in order to achieve the purpose of assisting in the treatment of acne. The face of a lot of acne and closed mouth can use the above drugs to treat, but the specific use of drugs need to follow the doctor’s instructions, to avoid blind use of drugs and cause adverse effects.