语码转换作为一个重要的语言学议题,一直受到语言学家的关注。课堂语码转换是在特定环境下的语言选择。本文结合军队院校英语课堂实际,研究分析了引起教员英汉语码转换的原因,对语码转换的运用提出几点语码转换的应用原则,以期使得该策略在最大使用目标语言的原则上较大程度的发挥母语的辅助作用。 As an important linguistics issue, Code-switching has always been the focus of linguists. Class code conversion is a language choice in a specific environment. Based on the actual English classroom in military colleges and universities, this paper analyzes and analyzes the reasons that cause the English-Chinese code conversion of the trainers, and puts forward some application principles of the code-switching in the application of the code-switching so as to make the strategy more applicable to the principle of maximizing the target language To a large extent, play an auxiliary role of mother tongue.