Neurodermatitis is a dysfunctional skin disorder with visible skin damage. It occurs mostly on the back of the neck or its sides, elbow sockets, country sockets, forearms, thighs, calves, and lumbosacral region. It often appears in patches of triangular or polygonal flat-topped papules with thickened skin, raised ridges and deepened furrows, resembling moss. It is often light red or light brown. Intense scratching is its main symptom. If there is more obvious damage to the skin all over the body, it is also called diffuse neurodermatitis. If not treated in time, neurodermatitis can cause mental and neurological disorders; due to prolonged scratching and skin breakage, it can also cause skin inflammation to aggravate, and secondary infection of other systemic diseases; it brings great harm to patients. The following summarizes the etiology of the disease treatment and prevention: I. Etiology 1, the cause of neurodermatitis is still unknown, may be related to plant nerve function disorders. Excessive tension, excitement, depression, fatigue, anxiety, impatience and changes in the living environment may be the cause of neurodermatitis. Local irritation, scratching, rubbing of collars, allergies, eating irritating foods, etc., may also cause neurodermatitis. Treatment 1, the treatment of neurodermatitis, of course, the first should be relieved of the possible causes of the disease. Do not eat irritating food, can not scratch, avoid using hot water and soap scrub. 2, local rubbing neurodermatitis drops, or ointment containing corticosteroids, paste skin disease Ning paste, are effective. 3, serious patients need to take oral antihistamines at the same time to stop itching. 4, during the treatment must be relaxed, avoid excessive tension, excitement, depression, fatigue, anxiety, impatience. Third, prevention 1, more exercise, diet should be reasonable, active prevention, so as to achieve the purpose of a complete cure. 2, try to put yourself in a comfortable situation, more rest, do not stay up late, regular rest and relaxation, soothe your emotions, less thinking and more exercise, find happiness, avoid stress 3, avoid humidity and heat, pollution and other uncomfortable environment.