知识与创新能力是知识经济发展最主要的动力源 ,建设国家知识创新体系是迎接知识经济挑战的基础 .知识的传播系统是知识创新体系重要的支持系统 ,是知识创新的资源 .科技期刊是传播科技创新知识的主渠道 ,定位于创新体系的知识传播系统 .对于知识创新 ,科技期刊的交流功能、导向功能、催生功能、评价功能、组织优化功能以及人才的发现培养功能、知识成果转化为生产力的中介功能等 ,都有着十分重要的作用与明显的特征 .研究科技期刊在知识创新体系中的功能特征 ,能促使期刊工作更加自觉地纳入知识创新体系 ,为知识创新作出更大贡献 Knowledge and ability of innovation are the most important motive power for the development of knowledge economy, and building a national knowledge innovation system is the foundation to meet the challenge of knowledge economy.The knowledge communication system is an important support system of knowledge innovation system and a resource of knowledge innovation. The main channel of scientific and technological innovation knowledge, and the knowledge transmission system of the innovation system.For knowledge innovation, the communication function, orientation function, birth function, evaluation function, organizational optimization function and talent discovery and training function of scientific journals, the knowledge achievement is transformed into productivity Has the very important function and the obvious characteristic.Study the function characteristic of the sci-tech periodical in the system of knowledge innovation can make the journal work more consciously into the system of knowledge innovation and make greater contribution to the innovation of knowledge