Recently, college English majors’ prehension has attracted more and more teachers and learners’ attention. Researchers have done a lot of work on how to improve the learners’ ability in prehension. Listening comprehension is considered as a process of active, creative construction rather than receiving the knowledge passively. However, there is mon phenomenon nowadays that the learners can’t understand some conversations which include no new words plex clauses. The writer of this article thinks that the main reason is that the learners can’t infer the implied meaning of the conversation. So guiding the students to infer the implied meaning of the conversation, to understand the speaker’s purpose and attitude and cultivating the students to infer the real meaning can solve the mentioned problem. Pragmatics closely associates with English learning. Grice’s conversational implicature plays a significant role in