本文认为言语交际中的语码转换对语言系统产生了深刻的影响 ,它使汉语词汇系统得以逐渐充实 ,主要表现为外来词和方言词的吸收 ,并且 ,外来词和方言词的吸收无一例外地都是语码转换的结果。因此 ,汉语词汇规范 (指方言词和外来词的规范 )应从发生的角度进行 ,即由语码转换所联系的社会文化背景与个人心理来决定 This paper argues that the code-switching in verbal communication has a profound impact on the language system. It enables the Chinese vocabulary system to be gradually enriched, mainly through the absorption of loanwords and dialects, and the absorption of loanwords and dialects without exception The result is code conversion. Therefore, the norms of Chinese vocabulary (referring to the norms of dialect words and loanwords) should be carried out from the perspective of occurrence, that is, the socio-cultural background and personal psychology that are associated with the code-switching