Methods: Right ears of mice were repeatedly challenged with 0.1% dinitrochlorobenzen (DNCB) every three days for four times with previously sensitized with 7% DNCB to induce the model.

• 方法:用7%25二硝基氯苯(DNCB)外涂于小鼠背部致敏；5天后用0.；1%25DNCB于小鼠右耳内侧反复激发；每隔3天1次；引起慢性皮炎模型；给药组于激发后涂抹复曲膏。