Abstract:Objective To investigate the effect of the prescription of Xifeng Huashi Decoction on diarrhea predominant irritable bowel syndrome. Methods A total of 122 patients of diarrhea type irritable bowel syndrome were selected as the research objects from June 2013 to June 2016 in our hospital, and randomly divided into control group and observation group, 61 cases were in each group. The control group and the observation group were treated with Trimebutine Maleate and Xifeng Huashi Decoction respectively. The clinical efficacy and the levels of serum 5-HT and cytokines of intestinal mucosa were compared before and after treatment. Results In the observation group and the control group, the total clinical effective rates were 95.07% (58/61) and 73.76% (45/61) respectively, the serum 5-HT levels after treatment were (53.27 ±16.94) and (84.93±28.72) ng/ml respectively, the differences were significant between the two groups (p < 0.05). The post-treatment levels of TNF- alpha, IL-6 and IL-10 were (12.11 ±2.53), (9.66 ±2.54) and (26.52 ±7.63) ng/L respectively in the observation group, and (18.63 ±3.82), (15.73 ±6.48) and (12.46 ±5.81) ng/L in the control group, the differences were significantly different (p < 0.05). Conclusions Xifeng Huashi Decoction has good clinical curative effect in treatment of diarrhea type irritable bowel syndrome, can significantly improve the intestinal motility disorders, and inhibit intestinal oxidative stress reaction.