首先界定了知识联盟的内涵,揭示出它优于一般战略联盟的特点。并以自2006年以来传媒领域的内容联盟实践为切入点,进一步探讨了构建知识联盟的条件。在此基础上,以知识的螺旋增长模型为视角,提出了传媒知识联盟内各主体的内容创新以及经营模式创新的作用机理。最后,对知识联盟创新策略及可能存在的障碍等问题提出了一些见解。 First, the definition of the connotation of knowledge alliance, revealing it superior to the characteristics of the general strategic alliances. And since 2006, the field of content alliance practice as a starting point, to further explore the conditions for building knowledge alliances. On this basis, from the perspective of the spiral growth model of knowledge, this paper puts forward the mechanism of content innovation and business model innovation of all the subjects in the media knowledge alliance. Finally, some suggestions on the innovation strategy of knowledge alliance and possible obstacles are put forward.