Many researches show that the relationship between teachers and students can be improved if teachers make effective use of body language to communicate. Besides,students’ cognitive ability and efficiency in learning will be promoted. Studies on body language are beneficial not only to our linguistic theory but also to our classroom teaching and learning. And the successful teaching is such teaching which not only pays attention to verbal communication but also not overlooks communicative function of body language. Many researches show that the relationship between teachers and students can be improved if teachers make effective use of body language to communicate. And also to our classroom teaching and learning. And the successful teaching is such teaching which not only pays attention to verbal communication but also not overlooks communicative function of body language.