This paper outlines some features from the perspective of the concept of prefabricated phrases and elaborates for the first time the effect advantage in regard of lexicality frequency , semanticality and context , combining mental lexicon access affecting factors 从预制语块的概念出发概括了预制语块的某些特征，同时结合影响心理词汇提取的因素首次阐述了预制语块所具有的词频、语义与语境效应优势。
