本文通过梳理传统阿拉伯语法学中几位重要语法学家对“理据”的相关论述，分析它的概念与内涵，并对这一概念的发展做宏观概括，以此认识理据在传统阿拉伯语法学中的地位。
By demonstrating related discussion of the term ‘illah in works written by several ancient Arabic grammarians，the paper analyses the concept and connotation of ‘illah，and summarizes the development of this concept，and thus tries to understand its importance in the Traditional Arabic Grammar.
