课堂效果的优劣是决定教学效果的关键因素。教师的课堂语言又是保证课堂效果的关键。本文从“陌生化”理论的角度探讨了提高和改善外语教师课堂语言的必要性,并给出了如何改善的建议。 The pros and cons of the classroom effect is the key factor that determines the teaching effect. Teacher’s classroom language is the key to ensure the effectiveness of the classroom. This paper discusses the necessity of improving and improving classroom language of foreign language teachers from the perspective of “unfamiliarity ” and gives some suggestions on how to improve it.