The educational interassociation between university presidents during the China’s Republican period(1912-1949)is a new study of educational history.Based on the historical theories from the "Annals School," "the theory of communicative action" from Jurgen Habermas,and the research paradigm from the history of educational activities,this study probes into the educational interassociation from various perspectives so as to build a research network focusing on educational interassociation and dealing with daily,academic and social communications....