[Purpose/significance] In the era of information globalization,the information literacy education of universities is no longer the duty of the library alone,it should be the educational system which is composed by multiple information organizations and learning subjects. [Method/process]Based on the concept of the"threshold"and meta literacy in the ACRL’s Framework for Information Literacy for Higher Education,the paper constructs the information literacy education ecosystem with the core of information person,information resources and information environment. On the basis of implementing the experiential education model of the "Trinity"( teaching,researching,and training),practicing educational paths and objects refinement management,building dynamic network organizations,constructing a multi-dimensional support platform,and other specific measures,audiences’ information literacy can be continuously enhanced. [Result/conclusion] The paper explores a new educational service and cooperation model and the construction of an educational ecosystem.