Objective: To evaluate the clinical effect and blight of YuXiangWeiAn capsule to patients with epigastric pain belong to disharmony between liver and stomach syndrome.

• 目的：对元香胃安胶囊治疗胃脘痛肝胃不和证的有效性和安全性进行初步评价，客观评价元香胃安胶囊治疗胃脘痛肝胃不和证的临床疗效及作用机理。