本文主要以Halliday系统功能语法理论为基础,运用语法隐喻理论中人际隐喻方面分析了企业高管公开演讲中的语法隐喻现象,从而为公开演说文体提供一个新的评判标准,发现语法隐喻在其中的分布、形式、作用和异同,以揭示语法隐喻如何帮助演讲者构建语篇,形成语言特点,达成交际目的。 Based on Halliday’s system functional grammar theory, this paper analyzes the phenomenon of grammatical metaphor in corporate executives’ public speeches using interpersonal metaphor in grammatical metaphor theory, so as to provide a new criterion for the public speech style and find out that the grammatical metaphor in which Distribution, form, function and similarities and differences in order to reveal how the grammatical metaphor can help the speaker construct the text, form the language features and achieve the purpose of communication.