[Purpose/significance]Concept definition and structural analysis of the digital information ecology adaptability of the elderly can enrich the research content of relevant disciplines and lay a theoretical foundation for the in-depth study on the digital information ecology adaptability of the elderly;also provide theoretical guidance for improving elderly's digital information ecology adaptability and the harmony between the elderly and the digital information ecological environment.[Method/process]Firstly,this paper puts forward the concept of digital information ecology adaptability of the ...