Xiaohua Hou, The Professor, Chief Physician, Doctoral Supervisor of Wuhan Union Hospital,Tongji Medical College, Huazhong University of science and technology, China. The vice president of Gastroenterologist Branch of Chinese Medical Association, the vice chairman of Digestion and Nutrition Committee of Chinese Physiological Society, the member of Chinese Digestive Society and Leader of Gastrointestinal Functional Disease Cooperation Group, and the standing Director of Asian Neurogastroenterology and Motility Association.He has long career in the research of Neurogastroenterology and dynamics, intestinal microecology and immunity.