教师话语是学习者语言输入的重要来源,它直接影响学习者的语言习得。然而我国高校英语课堂教师话语在话语输入质量、数量和技巧方面都存在问题。在外语教学有限的时间内,教师如何把语言调整,话语量,教师提问,信息反馈这四方面有机结合起来,是提高教师话语质量,改善英语教学效果,提高学生课堂学习效率的关键。 Teacher discourse is an important source of learner’s language input, which directly affects learners’ language acquisition. However, there are some problems in discourse input quality, quantity and skills of college English teachers in our country. In the limited time of foreign language teaching, teachers how to combine the four aspects of language adjustment, speech quantity, teacher questioning and information feedback is the key to improve the quality of teachers’ speech, improve English teaching and improve the efficiency of classroom learning.