Post-auricular eczema due to the long part of the rash is in the part of wearing glasses: 1, need to wear glasses patients to adjust the frame, or wear contact lenses. 2, the hair can not be too long, if too long will cause aggravation of postauricular eczema. 3, can not dye the hair. 4, not drinking alcohol. In terms of treatment, you can take oral antihistamine drugs, such as levocetirizine hydrochloride capsules, beriberi loratadine capsules. According to the different manifestations of eczema, the use of different effects of drugs, such as the emergence of vesicles, oozing, can be applied externally 2% boric acid solution, twice a day, each time for 20 minutes; or fresh amaranth decoction of cold wet compresses, twice a day, each time for 20 minutes. If it is only a rash like erythema and papules, it can be treated with topical butylhydroxyacid cream and dianabed cream.