Objective: To observe the Shenling Baizhu powder in treating diarrhea-predominant irritable bowel syndrome and its clinical effects. Methods: 104 cases of diarrhea-predominant irritable bowel syndrome patients randomly divided into treatment and control groups in 52 patients each. Controlled use of Berberine in treatment, treatment in the control groups on the basis of shenling baizhu powder treating added, course of treatment for 4 weeks, before and after the treatment the main symptom score lines. Results: Two sets of symptoms after treatm...