通过对历代文献中“元和体”一词使用情形的爬梳 ,勾勒这一概念形成、发展、演变的历史脉络 ,辨析在不同使用状况下其内涵、外延与指称对象的异同 ,总结其使用范围所包含的八个层次 ,以求全面的把握“元和体”这一诗体概念的准确意义 Through the combing of the use of the word “Yuanhe Ti” in historical documents, this article outlines the historical context of the formation, development and evolution of this concept. It also analyzes the similarities and differences between its connotation, extension and reference under different usage conditions, Scope of the eight levels, in order to comprehensively grasp the precise meaning of the concept of “verse and body”