Neurodermatitis is a common skin disease that is closely related to mood swings and is characterized by: 1. Preferred sites: easy to rub, such as the back of the neck, both sides of the neck, elbow fossa, upper eyelids, the inner femur, tailbone, wrist, ankle, etc., but also in other parts of the body, the above-mentioned parts of the occurrence is called limited neurodermatitis, involving the trunk, limbs, etc. is called generalized neurodermatitis. 2, adults are common, seasonality is not obvious. 3, the lesions are more symmetrical, irregular or polygonal red flat papules, dense or fused into patches, surface roughness, texture deepening, over time the lesions light red, gradually become brown, skin thickening, a large moss-like changes, covered with dry fine scales. 4.Itching is intense, especially at night, image rest and sleep. 5, mood swings, nervousness, or in the sun, smoking, drinking alcohol, drinking strong tea and coffee, mechanical stimulation aggravated. 6, chronic course, easy to recur.