Chinese medicine treatment of neurodermatitis need to recognize the evidence, such as liver depresses and transforms fire (liver qi not pass cause fire and heat evil qi produce) evidence, use dan jia jia wu shan to add and subtract treatment. 1. Liver depresses and transforms fire evidence: skin lesion color red, accompanied by irritability, insomnia and dream, vertigo, self-conscious heart beating, mouth bitter, throat dry. Can use the gardenia to get away with loose loose san plus reduce. 2. Wind-dampness contains skin evidence: skin lesion is light brown, skin roughness and thickening is moss-like change, itching is intense. May use the whole insect formula to add or subtract. 3. Blood deficiency and wind dryness syndrome: the skin lesions are pale or grayish-white, and the skin is as withered and rough as withered wood. The patient may be self-conscious of heart beating, insomnia and forgetfulness. Add or subtract Four Substance Tang. If there is any discomfort, it is recommended to consult a doctor in time. If medication is needed, it should be identified by the doctor and follow the doctor’s instructions to standardize the treatment.