Purpose : The purpose of this study is to report the effect of oriental treatments for Irritable Bowel Syndrome. Methods : We treated a 57 - year - old female who had severe abdominal pain and discomfort companied by alteration in bowel function, a combination of diarrhea and constipation, with Herb medication ( Daechilgitang-gagambang )and acupuncture therapy at the same time. Results : After oriental medical treatment, the clinical symptom of Irritable Bowel Syndrome was improved. Conclusion : This case study shows that the oriental medical therapy is effective in treating irritable bowel syndrome. So that, it is helpful in decreasing the symptoms of patients and in improving quality of life.