英汉对比研究对外语教学具有重要的指导意义。本文通过对学生在四、六级写作中一些共性错误的分析,着重对比了英汉两种语言在句子结构和语篇上的差异。作者建议在大学英语写作教学中对学生输入英汉思维模式差异的有关知识,从理论的高度来指导学生写作。 The comparative study of English and Chinese has important guiding significance for foreign language teaching. Through the analysis of some common mistakes of students in the fourth and sixth levels of writing, this article focuses on the contrast between English and Chinese in sentence structure and text. The author suggests that students should be provided with the relevant knowledge of English and Chinese thinking patterns in the teaching of college English writing and to guide students’ writing from the perspective of theory.