英语课堂上教师的话语既是组织教学的重要工具,更是学生习得语言的重要来源,本文结合实例就英语教师课堂话语有效性展开分析,提出教师应从学生的差异需求、主体意识、情感体验和能力发展四方面着手,采取相应策略提高课堂语言输入的有效性。 Teachers’ discourse in English class is not only an important tool for organizing teaching, but also an important source of students’ learning language. This article analyzes the effectiveness of English teacher’s classroom discourse by combining examples, and proposes that teachers should take into account the differences in students’ needs, subject consciousness, emotional experience and Ability to develop four aspects, to take appropriate strategies to improve the effectiveness of classroom language input.