Acne on the scalp may be related to folliculitis, seborrheic dermatitis, Propionibacterium acnes infection, etc., and the cause of the problem needs to be treated medically or surgically. 1. For folliculitis, apply topical ointment such as mupirocin ointment and oral antibiotics such as amoxicillin as prescribed by the doctor; if it continues to develop into boils or carbuncles, incision and drainage can be carried out according to the situation, and the medication should be changed regularly. 2. For seborrheic dermatitis, ketoconazole lotion can be applied as prescribed by the doctor. Combined with fungal infections, itraconazole and other antifungal drugs can be taken orally. 3. For Propionibacterium acnes infection, you can follow the doctor’s instructions for external use of antibacterial drugs such as azelaic acid, oral minocycline and other antibiotics. It is recommended that people with acne on the scalp go to a regular hospital in a timely manner, under the guidance of the doctor for standardized treatment, so as not to delay the condition.