上世纪70年代初,随着交际法的兴起,信息差的概念引起了外语教学工作者的关注,在指导我国英语课堂教学中起到了一定作用。上世纪末,我国对外汉语教学界也开始关注这一概念。本文旨在各位前辈研究的基础上,对信息差在对外汉语课堂教学的应用做初步探讨。 In the early 1970s, with the rise of communicative law, the concept of poor information attracted the attention of foreign language teaching workers and played a certain role in guiding our English classroom teaching. At the end of last century, the teaching of Chinese as a foreign language in our country also began to pay attention to this concept. This article aims to predecessors on the basis of the study, the poor information in the teaching of Chinese as a foreign language to do a preliminary discussion of the application.