功能性便秘为临床最常见的症状之一 ,祖国医学早有论述。便秘是指大便秘结不通 ,排便间隔时间延长 ,或欲大便而艰涩不畅的病证 ,称为便秘。《内经》称之大便难、后不利。《伤寒论》称为阳结、阴结、脾约。《诸病源侯论》称大便不通。《丹溪心法》称为大便秘结。统称便秘。本文 Functional constipation is one of the most common clinical symptoms, motherland medicine has long been discussed. Constipation refers to constipation unreasonable, prolonged interval of defecation, or poor stools and poor evidence of disease, known as constipation. “Nei Jing” said the stool is difficult, after adverse. “Treatise on Febrile Diseases” is called the Yang knot, Yin knot, spleen about. “Treatise on the source of Hou,” said stool barrier. “Danxi Heart” known as constipation. Collectively referred to as constipation. This article