Objective:To observing Tongxieyaofang (TXYF) on wet and dry stool weight of rats which suffering from Diarrhea-predominant irritable bowel syndrome (D-IBS) and levels of GLP-1, SS and SP in tissue and serum. Methods: Used gavage senna and restraint stress to establish D-IBS rat model.Set up normal contrast group, model group, pinaverium bromide group, TXYF high-dose group,TXYF middle -dose group, TXYF low-dose group. After gavaged drug or normal saline, detected of stool wet and dry weight and levels of GLP-1, SS and SP in tissue and seru...