This study was designed to report the clinical effects of oriental medical therapy on a patient whose irritable bowel syndrome did not improved under western medical therapy, Herbal medication, acupuncture and moxibustion therapy were applied to the patient for 12 days. The status and frequency of feces were checked and self-recognized symptoms (abdominal pain and bowel sounds) were checked to evaluate improvement. According to the above evaluation items, the treatment was beneficial. The status and frequency of feces became normal. Abdominal pain and bowel sounds ceased. The above results suggest that oriental medical therapy is beneficial for the patients with irritable bowel syndrome.