功能性胃肠病(FGIDs)主要表现为胃肠道动力障碍和感觉功能的异常。精神因素在本组疾病发生中起重要作用[1]。心理性应激对胃肠动力的影响十分复杂,对消化道不同部位的影响也不同,多数实验表明,心理应激抑制胃排空,加强结肠运动,而对小肠运动的影响尚存争议。1心理应激对胃肠动 Functional gastrointestinal diseases (FGIDs) are mainly manifested as gastrointestinal motility disorders and sensory dysfunction. Mental factors play an important role in the occurrence of this group of diseases [1]. Psychological stress on the gastrointestinal motility is very complex, the impact on different parts of the digestive tract are also different, the majority of experiments show that psychological stress inhibits gastric emptying, strengthen colon movement, and the impact on small intestine is still controversial. 1 psychological stress on gastrointestinal motility