近些年,由动词“挂”组成的“挂了”、“挂科”等流行语在以大学生为代表的年轻群体中被广泛使用。文章从词义演变的角度分析“挂”原有义项的发展及其新义的产生:由“悬挂义”、“放置义”到“终止义”再到“失败义”。并结合一定的语言认知分析,深入认识该词新义产生与流行的原因。 In recent years, buzzwords consisting of the verb “hang”, such as “hung up” and “hanging up branch”, are widely used in younger groups such as college students. From the perspective of the evolution of lexical meaning, the article analyzes the development of “original meaning” of “hanging” and the emergence of its new meaning: from “dangling” to “ending” and “failure” ". Combined with a certain degree of linguistic cognition analysis, in-depth understanding of the reasons for the emergence and popularity of the new meaning of the word.