The back fold of the head is also referred to as the nape of the neck. Skin ulcers on the back of the neck may be associated with skin infections, contact dermatitis, eczema, etc., and require anti-infective and anti-allergic treatment, respectively. 1. Skin infection. Local skin due to scratching or some other external factors and lead to bacterial infection, in the clinic can be manifested as local skin ulceration and oozing obvious, etc., in the treatment of the main is to give izacridine wet compresses, topical fusidic acid cream, mupirocin cream and other anti-infective treatment; serious condition can be taken orally amoxicillin capsule and so on. 2. Contact dermatitis. The back of the neck is an exposed part of the skin, in contact with some kind of irritating objects, allergic reactions are likely to occur, which can be manifested as rashes, itching and vesicles, in the treatment of the main is to give anti-allergy treatment, such as the external use of mometasone furoate cream, with oral loratadine tablets. 3. Eczema. Eczema acute exacerbation of local skin will appear itching and vesicles, oozing performance, the treatment is mainly to use local topical boric acid solution wet compresses to prevent oozing, while oral cetirizine hydrochloride capsules anti-allergy treatment. Because of the many factors affecting the specific situation, we need to consult a doctor to choose the best treatment plan.