本文主要讨论后期维特根斯坦的“语法”概念。后期维特根斯坦是日常语言哲学的奠基人,他在《哲学研究》等后期著作中重点阐述了日常语言中的“语法”概念,即从日常语言的各种各样复杂使用角度出发分析语法概念,从而形成了较为系统的以哲学语法研究为中心的语言逻辑思想。该思想是后期维特根斯坦日常语言哲学的重要组成部分。 This article focuses on late Wittgenstein’s “grammar” concept. Later Wittgenstein is the founder of the daily language philosophy. His later works such as “Philosophical Studies” focus on the concept of “grammar” in everyday language. From the perspective of various complex uses of everyday language Grammatical concepts, thus forming a more systematic philosophical grammar research as the central logic of language logic. This idea is an important part of Wittgenstein’s everyday language philosophy.