消化功能是储藏、消化、吸收及排泄等功能的统称。消化系统疾病可分为器质性及功能性两大类。各种器质性疾病都可影响消化功能,其中有的是由于功能改变而引起。本期刊出的内容是功能性改变为主的疾病,例如非溃疡性消化不良、肠易激综合征等,其中包括部分解剖因素异常性疾病。在临床实践中,功能性疾病的发病率 Digestion is the general term for functions such as storage, digestion, absorption and excretion. Digestive diseases can be divided into organic and functional two categories. A variety of organic diseases can affect digestive function, some of which is due to changes in function. This issue features functional disorders such as non-ulcer dyspepsia, irritable bowel syndrome, etc., including some anatomical abnormalities. In clinical practice, the incidence of functional diseases