Halliday指出语法隐喻是书面语的核心。通过对语法隐喻和中国学习者英语作文质量关系所作的一次实证研究,可以得出以下结论:一,语法隐喻的发展是二语学习者书面语发展的重要标志之一;二,跟母语习得者一样,概念语法隐喻也是二语学习者书面语产出的核心表现;三,概念语法隐喻和语篇语法隐喻对书面语产出质量产生正面影响,此影响大于人际语法隐喻的负面影响;四,学习者尤其是低水平学习者语域意识混淆。 Halliday pointed out that grammatical metaphor is the core of written language. Through an empirical study on the relationship between grammatical metaphor and Chinese learners’ English composition, we can draw the following conclusions: First, the development of grammatical metaphor is one of the most important symbols of the development of L2 learners; Second, Similarly, conceptual grammatical metaphor is also a core manifestation of L2 learners’ written output. Third, conceptual grammatical metaphors and textual metaphors have a positive impact on the quality of written language output, which is greater than the negative impact of interpersonal grammatical metaphors. Fourth, learners Especially low-level learners confusion domain awareness.