冗余语言现象作为一种特定的语言现象，尽管其信息含量低，但在语言交际中起着积极的作用。它可以加强语言的礼貌程度，避免交际中 的尴尬现象；它可含有特殊语义内涵；可以融洽人际关系，建立良好的社交环境；可以避免 岐义使交际获得成功；可以渲染气氛，增强语篇表达力；可以使语言具有幽默感，加强表现 力。 As a specific linguistic phenomenon, redundant language phenomenon plays an active role in language communication despite its low information content. It can enhance the politeness of language and avoid the embarrassing phenomenon in communication; it can contain special semantic meaning; it can interpersonal relationships and establish a good social environment; can avoid ambiguity to make communication successful; can render atmosphere and enhance discourse expression Force; can make the language have a sense of humor, enhance expression.