Abstract: With the advent of diversification era, the knowledge needs of users are increasingly diversified and specialized, which poses new challenges to library service. The research on the operation mechanism of micro knowledge ecosystem of smart library can provide the theoretical basis for new knowledge service, guarantee the effective optimization and integration of knowledge resource, and realize the service upgrade. Based on a brief analysis about four major elements of micro-knowledge ecosystem of smart libraries, this paper probed into the causes of its formation from three aspects: social development, technological progress, knowledge enrichment, optimization and adjustment, demand-driven and service upgrade, and focused on the life cycle of the micro-knowledge ecosystem of intelligent libraries, and finally discussed the operation mechanism from cooperation, circulation and guarantee.

Key words: smart library, microcosmic, knowledge ecosystem, operation mechanism