The pimples on the forehead are mostly considered acne, which is often referred to as acne. Acne is a chronic inflammatory skin disease of the sebaceous glands, mostly related to more oil, androgen secretion, Propionibacterium acnes infection and a series of other factors, the main manifestations are erythema, papules, pustules, cysts, nodules, the most mild symptoms are also acne. In terms of treatment, it is recommended to avoid spicy food, greasy food and sweets, and to pay attention to facial cleanliness, wash your face carefully in the morning and evening, and do not use too high a temperature of water, about 30 degrees. If there is a long hard and somewhat painful pimple, it is recommended to apply topical anti-inflammatory creams such as fusidic acid, erythromycin and banzai for anti-inflammatory treatment. The actual pimples can be found in the area of the pimples, and it is advisable to use cotton swabs to apply Adapalene gel, which can dissolve the corns and remove the blackheads.