Pimples on the forehead are usually acne, which can be treated with topical creams such as benzoyl peroxide gel under a doctor’s supervision, as well as with oral antibiotics such as doxycycline and physical therapy. Acne can be treated with topical benzoyl peroxide gel, adapalene gel, clindamycin gel and other creams under the guidance of a doctor, and if the effect is not good, it can also be treated with oral medication, such as doxycycline, minocycline, and other medications, and it can be treated with local irradiation of blue light or red light. Daily attention to facial cleanliness and dryness, you can use sulfur soap for local cleaning, avoid spicy food stimulation, eat more light food, eat more fresh fruits and vegetables, it is recommended to go to the hospital in a timely manner, the use of medication please follow the doctor’s instructions.