元功能思想是系统功能语言学的六大核心思想之一。它将语言的功能总结为概念,人际,语篇三大元功能。在此之前,很多学者对语言的功能进行了划分,产生了多功能语言观。本文将简单回顾韩礼德之前的多功能语言观,之后重点介绍系统语言学中三大元功能的定义,以及它们的实现方式。 Metadaptation is one of the six core ideas of system functional linguistics. It summarizes the function of the language as a concept, interpersonal, discourse three yuan function. Prior to this, many scholars have divided the function of language, resulting in a multi-lingual view of language. This article will briefly review Halliday’s multi-lingual view of language before focusing on the definitions of the three meta-functions in systems linguistics and how they are implemented.