Small bumps on the forehead may be acne, milia and other diseases, usually including medication as well as physical therapy for treatment. 1. Acne: Acne occurs on the cheeks, forehead and jaw, mainly characterized by pimples, papules, pustules, etc. It can be treated with local topical retinoic acid ointment, benzoyl peroxide gel, etc. If the symptoms are more serious, it can be treated with oral isotretinoin. All of the above drugs have adverse reactions, it is recommended to use under the guidance of a doctor. 2. Corns: Corns occur in eyelids, cheeks and forehead, mainly manifested as multiple yellowish-white hard papules on the skin surface, which can be treated by needle picking, meaning that the doctor sterilizes the skin lesions with alcohol, and then picks the skin on the surface of the papules with a sterile needle to squeeze out the contents, which will cause local pain and bleeding during the treatment, and electric drying can be used as a treatment as well. During the treatment process, the diet should be light, do not eat spicy and stimulating food, and at the same time, pay attention not to touch or squeeze the pimples with your hands, it is easy to secondary infection, so that the disease is further aggravated. Small bumps on the forehead is recommended to go to the hospital, complete the examination, clear cause of the disease under the guidance of the doctor to give targeted treatment.