Folliculitis on the back of the neck can be treated with topical medications, oral medications, and surgery. Folliculitis is mainly caused by bacterial, fungal, mite and other infections that cause inflammatory reaction of hair follicles, which manifests itself as reddish papules, small blisters, papules, small pustules, itching and other symptoms on the skin. 1. Topical medication:For mild folliculitis, antibiotic ointment can be used externally, such as mupirocin ointment, fusidic acid ointment, etc. If there is a fungal infection, it can be treated with topical antifungal medication, such as ketoconazole ointment, terbinafine ointment, etc. 2. Oral medication: if the condition is serious and the folliculitis recurs repeatedly, oral antibiotic treatment, such as minocycline, doxycycline, etc.; fungal infection, oral antifungal treatment, such as itraconazole, terbinafine and so on. 3. Surgery: If folliculitis develops into boils or carbuncles, it can also be treated by surgical incision and drainage. It is recommended that patients go to the dermatology department of a regular hospital, follow the doctor’s instructions and use reasonable medication, not blindly self-medication.