ContentsAbstract...............................................................................................................I摘 要...............................................................................................................IIIntroduction........................................................................................................11 The Current Status and Significance of Teaching English Writing in Junior High School........................................................................................................31.1 Current Status...........................................................................................31.2 Significance..............................................................................................42 Introduction to Lexical Chunk Theory............................................................62.1 The Concept of Lexical Chunk................................................................62.2 The Classification of Lexical Chunk........................................................72.3 Features of Lexical Chunk.......................................................................83 Advantages of Teaching Approach Based on Lexical Chunk Theory..........103.1 Improvement of Learning Motivation....................................................103.2 Enhancement of Vocabulary Learning...................................................103.3 Reduction of Negative Transfer of Mother Tongue...............................113.4 Promotion of Pragmatic Ability.............................................................124 Analysis on the Application of Teaching Lexical Chunks in Junior High School English Writing Class...........................................................................134.1 Establishment of Lexical Chunk Awareness..........................................134.2 Accumulation of Composition Mate...