多义词是语言学研究的热点之一。本文通过对多义词的概念界定明确了多义词、同形异义和模糊语等相关概念的区别。多义词研究主要聚焦在多义词的语义结构上,包括义项的划分和描写、意义关联等主要路径。 Polysemy is one of the hot topics in linguistics. In this paper, the definition of polysemous words clearly defines the concepts of polysemy, homonymy and vagueness. The study of polysemy mainly focuses on the semantic structure of polysemous words, including the division and description of meaning items and the main paths of meaning association.