预制性词块是心理词汇的重要组成部分,二语学习者在语言习得中大多注重语法的学习而忽视词块的交际作用,导致母语负迁移的发生。本文从心理词汇的预制性词块概念入手,分析词块的分类和特征,同时挖掘二语学习者在预制性词块学习中常出现的错误,旨在为二语词汇习得带来启示。 Pre-emptive lexis is an important part of the psychological vocabulary. Second language learners mostly focus on grammar learning in their language acquisition while ignoring the communicative effect of the lexical block, resulting in the negative transfer of the mother tongue. This article begins with the concept of prefabricated lexicon of psychological lexicon, analyzes the classification and features of lexical lexicon, and at the same time, attempts to find the common mistakes that L2 learners make in learning prefabricated lexical lexicon.