Abstract: ［Purpose/Significance］This paper aims to analyze, track, summarize and consolidate the development trend of information architecture, and provide reference to researchers in related areas.［Design/Methodology］With the use of both qualitative and quantitative subject analysis after text extraction of the conference materials from 2011 to 2018, this paper conducted analysis and research on participants and their research contribution to the conference during this period, which was compared to the data from 2000 to 2007 then.［Findings/Conclusion］Several results have been gained. First, information architecture is at the theoretical and educating stage. It is expanding the boundary and being integrated into the digital environment; second, its core themes and key concepts include design, experience and communication, of which the connotation have been developed in the new environment.［Originality/Value］The evolutionary trajectory and characteristics of the core research contents of information architecture in recent years have been revealed.

Key words: Information architecture, Information Architecture Summit, Design, Experience, Communication；Information architect