Irritable bowel syndrome, abbreviated as IBS, is a common dysfunctional syndrome. The etiology and pathogenesis of irritable bowel syndrome are still unclear, but it may be related to a variety of factors, such as intestinal infections, neurological abnormalities, gastrointestinal dynamics abnormalities, etc. Typical symptoms caused by IBS are abdominal pain, diarrhea, constipation, which may also be accompanied by dyspepsia, regurgitation, and fatigue. The onset of irritable bowel syndrome patients are mostly between 20 to 50 years old, the course of the disease is relatively long, and the symptoms are very easy to recur, it should be timely with the doctor to take treatment, generally need to develop good habits and dietary structure, and avoid anxiety and depression, if necessary, cooperate with the doctor for treatment and so on.