词块理论是在外语教学提倡以应用为目的的背景下兴起的新的语言教学理论,是符合中国学生的认知规律和学习特点的一种教学理论。在高中英语写作中,词块的合理运用不仅能够提高语言资源信息处理的效率,而且能够提高语言表达的流利性、准确性、地道性,从而增强学生写作的成就感。 Lexical theory is a new theory of language teaching which is promoted in the context of foreign language teaching for the purpose of application. It is a teaching theory that conforms to Chinese students’ cognitive rules and learning characteristics. In high school English writing, the rational use of the phrase can not only improve the efficiency of language resource information processing, but also improve the fluency, accuracy and authenticity of language expression, so as to enhance the sense of accomplishment of students’ writing.