The forehead long closed mouth acne is mild acne lesions manifestation, feasible general treatment, medication and other improvements. 1. General treatment: avoid spicy, greasy and other stimulating food, usually pay attention to clean, it is advisable to use warm water to clean the face to reduce the adhesion of oil. Regular daily routine, avoid staying up late. 2. Medication: Mild acne can be treated with topical retinoids such as adapalene gel and retinoid ointment, which are effective in regulating the keratinization of sebaceous gland ducts in hair follicles and promoting the elimination of pimples. In addition, chemical peels such as fruit acid resurfacing can be combined to exfoliate the skin stratum corneum and promote the dissolution and discharge of acne. It is recommended that the forehead long closed mouth acne people go to the hospital in a timely manner, to clarify the cause of the disease, under the guidance of the doctor for standardized treatment, and comply with the doctor’s prescription medication.