[Purpose/significance ] For the growing need of location based service in library, this paper develops an application scheme for mobile library location based service using Beacon technology. [ Method/process ~ The paper ana- lyzes the development, principle, the current state of research and application of Beacon technology, and then compares the advantages, disadvantages and applicable scope of Beacon with RFID and NFC. [ Result/conclusion ] Proposes that the application scheme for mobile library location based service using Beacon technology...