Pimples on the top of the neck are usually acne or folliculitis, which can be eliminated by reasonable medication and treated with diet. 1. Acne: you can use topical adapalene gel, fusidic acid cream and other medications, serious cases can be excluded under the guidance of a physician contraindications related to oral isotretinoin and other medications, in addition, red and blue light irradiation, photorejuvenation and other photoelectric treatments can be improved to a certain extent acne. 2. Folliculitis: mostly caused by bacterial, fungal and other pathogens infecting the hair follicles, you can target the use of erythromycin ointment, compound polymyxin B cream, mupirocin ointment and other treatments after clarifying the causative pathogens, severe and/or combined with systemic symptoms can be taken under the guidance of the doctor orally antibiotic treatment. The above drugs are prescription drugs, is used under the guidance of a physician, if the neck acne, it is recommended to go to the dermatology department, in the clear cause of the symptomatic treatment.