Bile regurgitation gastritis is found since developing gastroscope.It has the vital significance to enhances the therapeutic effect and introduces the clinical treatment by studying its pathogenesis deeply.According to the discussion about its pathogenesis of Chinese medicine theory,the result is that spleen weakness is the basis of the pathogenesis,liver stagnation is sign of the its pathogenesis and the disagreement about liver and spleen is the key of the pathogenesis.