Children with acne on the forehead is usually caused by acne, mainly due to children gradually enter puberty, androgen secretion is more vigorous, stimulating the sebaceous glands to produce more sebum, sebaceous glands at the opening of the excessive proliferation of keratinocytes, so that sebum clogging in the hair follicles formed, the patient can be under the guidance of the doctor through the general treatment, medication, physical therapy to improve. 1. General treatment: Patients are advised to use less irritating cleaning products, avoid spicy and stimulating foods, reduce the intake of high sugar and dairy products, and keep the bowel movement smooth every day. 2. Medication: patients can use topical adapalene gel, retinoic acid cream or benzoyl peroxide under doctor’s guidance to carry out the treatment; when the symptoms are serious, oral retinoic acid drugs, antibiotics or hormones as prescribed by the doctor to improve the symptoms of acne. It should be noted that children should avoid the use of tetracycline antibiotics; children under 12 years of age should try to avoid oral retinoic acid drugs, topical retinoic acid drugs should be used under the guidance of the doctor discretionary concentration of lower. 3. Physical therapy: patients can also use laser therapy, photodynamic therapy under the guidance of the doctor to improve the symptoms. For small children with acne on the forehead, it is recommended to go to the regular hospital in time, under the guidance of a professional doctor for standardized treatment.