Langacker认为语法应研究语言系统的心理表征,目的就是研究人们心中的内部语法。本文重点在于研究Langacker的认知语法以及相关认知语法学家的观点在翻译实践中的运用。主要利用翻译实例分析的研究方法,从句子的层面将认知语法理论与翻译结合,深入研究和探讨该理论在复杂句子和翻译中歧义现象的优势。旨在倡导人们从认知语言学的角度来解读翻译,从而突破翻译中歧义现象的瓶颈。 Langacker that grammar should study the psychological representation of the language system, the purpose is to study people’s internal grammar. This article focuses on the study of Langacker’s cognitive grammar and related cognitive grammar’s perspective in the practice of translation. The main use of translation case analysis of research methods, the level of the sentence will be combined with cognitive grammar theory and translation, in-depth study and explore the theory of complex sentences and the advantages of ambiguity in translation. It aims to advocate people to interpret translation from the perspective of cognitive linguistics, thus breaking the bottleneck of ambiguity in translation.