针对目前关于词类活用的语法研究现状,本文将运用隐喻的有关理论来分析中学教材中鲁迅文章里的词类活用现象,主要分析名词活用做动词的现象。文章先阐述有关的隐喻概念,再结合具体的事例加以分析,试图从有别于语法分析的认知修辞角度解释词类活用得以实现的原因以及活用后取得的效果。 Aiming at the present situation of grammatical research on the use of parts of speech, this paper analyzes the use of parts of speech in Lu Xun’s texts in secondary school texts based on metaphorical theories, and mainly analyzes the phenomenon that nouns are used as verbs. The article first elaborates on the related concept of metaphor, and then analyzes it with concrete examples to try to explain the reason why the use of part of speech is realized from the cognitive rhetoric different from grammatical analysis and the effect after it is used.