As one of the language skills, listening is a medium through which people can get a lot of information. Almost every student or learner knows that listening and speaking should be put first.Because one of the objectives of language learning is to communicate. Listening can be regarded as the first step in communication..However, in China, most language teachers dislike teaching listening and most language students hate learning listening,because the effect is not always immediate even though you work hard at it.This paper firstly addresses the significance of listening, and then tells you the roles of a listening teacher; the principles behind the listening teaching . Finally suggest some ways for students/ learners outside the classroom.