Acne in the scalp can be caused by folliculitis. When the scalp secretes too much oil, the oil clogs the pores, or fungal or bacterial infections occur in the scalp follicles, it will lead to inflammation of the scalp, triggering folliculitis, resulting in the possibility of acne. Usually should choose fresh moisturizing shampoo products, keep the head skin fresh and clean, to avoid excessive accumulation of oil, at the same time, should avoid spicy, stimulating, greasy food and sweets, but also in the place of long acne in accordance with the doctor’s instructions to apply erythromycin ointment, and oral metronidazole, erythromycin, and other anti-inflammatory drugs for anti-inflammatory. If the symptoms of acne in the scalp are serious, or the symptoms persist and do not get better, you should go to the dermatology department of the hospital in a timely manner, under the guidance of the doctor to choose the appropriate treatment.