本文拟从解构理论的发端之一,即索绪尔的语言符号理论入手,参照马克思的商品价值理论中商品除了具有使用价值和价值这两个属性外还有第三个属性即交换价值,试图说明与商品的交换价值同理,没有交流的、孤立的语言是没有实质意义的,语言的意义只在交换中产生,并分析了语言有别于所指/能指不定关系之外的另一个特性,即作为人与人之间交流工具的交换性。 This article intends to start from the deconstruction theory, that is, Saussure’s language symbol theory, with reference to Marx’s theory of commodity value in addition to the use of goods and value of these two attributes in addition to the third attribute that exchange value, try Explain the value of the exchange with the goods and the same token, there is no exchange, isolated language is not meaningful, the meaning of language is only generated in the exchange, and the language is different from the meaning of the finger / finger indefinable relationship between the other Characteristics, that is, as a communication tool between people exchange.