“若者言葉”是现代日语发展变化中的一种现象,它不受传统日语规范的制约,对标准日语造成了很大的冲击。语言的发展规律说明了语言的产生是变化动态的进程,今日的不规范用语很可能就是明日的规范用语。文章分析了“若者言”形成及流行的原因,从构成法及产生的途径和方法等角度对其进行分类,并进一步探析其对现代日语发展的影响。 “If you say ” is a phenomenon in the development of modern Japanese language. It is not constrained by the traditional Japanese language norms, and it has caused a great impact on the standard Japanese language. The law of language development shows that language production is a dynamic process of change. Today’s non-standard language is likely to be the normative language of tomorrow. The article analyzes the reasons for the formation and prevalence of “when the speaker” is formed, classifies it from the point of view of constitutional methods and methods and methods, and further analyzes its impact on the development of modern Japanese.