ContentsAbstract..............................................................................................................I摘 要..............................................................................................................IIIntroduction.......................................................................................................11 Theory of Lexical Chunks..............................................................................31.1 Definition of Lexical Chunks...................................................................31.2 Classification of Lexical Chunks..............................................................31.3 Function of Lexical Chunks.....................................................................52 Research on Lexical Approach Abroad and at Home....................................72.1 Research on Lexical Approach Abroad....................................................72.2 Research on Lexical Approach at Home..................................................73 Importance of Lexical Approach in Junior High School English Vocabulary Teaching............................................................................................................93.1 Benefit of Enlarging Vocabulary..............................................................93.2 Benefit of Students’ Language Fluency and Correctness.......................103.3 Benefit of Developing English Thinking Model....................................114 Application of Lexical Approach in Junior High School English Vocabulary Teaching..........................................................................................................134.1 Principles of Lexical Approach..............................................................134.2 Specific Teaching Methods of Lexical Approach..................................134.3 Problems of the Lexical Approach.........