在消费社会阶段中,传统的产品责任体系无法满足现实的社会需要,产品处置阶段责任主体的空缺,导致了“公地的悲剧”。延伸产品责任扩展了传统的产品责任的责任主体体系,较好地解决了产品废弃物在处置阶段存在的问题,本文着重对延伸产品责任的基本理论进行分析。本文从延伸产品责任的产生出发,在研究了延伸产品责任的概念的基础上,着重探讨了延伸产品责任的理论和现实依据。 In the consumer society stage, the traditional system of product liability can not meet the actual needs of the society, and the vacancy of the principal part of the product disposal stage has led to the “tragedy of the commons.” Extending Product Responsibility Expands the responsibility system of traditional product liability and solves the problems of product waste disposal. This article focuses on the analysis of the basic theory of extended product liability. Based on the research of extending the concept of product liability, this article focuses on the theoretical and practical basis for extending product liability.