Abstract: ［Purpose/Significance］This study discusses the data standard system for the construction of smart libraries. It intends to explore the realization of "wisdom" from the perspective of data standardization in the subsequent of  the stages of concept differentiation, system development and model innovation.［Design/Methodology］Viewed from smart libraries, data standard system was deemed as the research object. The data standard system of smart libraries was proposed by combining with big data theory and data lifecycle theory. Additionally, framework development and content construction of standard system were discussed with the use of qualitative analysis method.［Findings/Conclusion］The key point of building data standard system for smart libraries is full integration of resource data, administration data and user data. Meanwhile, it is significant to develop a scientific system infrastructure based upon data lifecycle model. At the same time, content construction of the standard system needs to be improved from three aspects, which are organizational data standards, administrative data standards and usable data standards.［Originality/Value］From the perspective of studying standard system, this paper proposes a framework of smart libraries’ data standard system. By combining with smart libraries’ big data environment and data lifecycle model, an in-depth analysis has been conducted on its content construction. Conclusions of this research could provide a reference for developing data standard system of smart libraries in China.

Key words: Smart library, Data system, Data standard system, Big data, Data lifecycle