针对知识经济条件下出现的许多新特征和新现象 ,一些学者从价值论不同角度的研究中 ,对马克思的劳动价值论提出质疑和挑战。本文对各种有代表性的价值理论进行了简要评析 ,在对马克思劳动价值论的本质深刻理解的基础上 ,运用马克思劳动价值论分析了当今经济发展中的知识与价值创造、知识产品的价值、知识产业、知识生产力等主要问题 ,从而论证了知识经济与劳动价值论的统一性 In response to many new features and new phenomena that emerged under the conditions of knowledge economy, some scholars question and challenge Marx’s labor theory of value from different perspectives of value theory. Based on the profound understanding of the essence of Marx’s labor theory of value, this article analyzes the value of knowledge and value in the current economic development, the value of knowledge products , Knowledge industry, knowledge productivity and other major issues, thus demonstrating the unity of knowledge economy and labor theory of value