The section of purely quantitative change in archival academic focal point is not only promoting the development of academic research findings in archival science both in scope and in depth, but also the formation and strength of archival sub-scientific community. Furthermore, it expands the social echo of academic research findings in archival science. The archival academic focalization isn’t the sufficient condition, but the necessary condition of the archival science paradigm exchanging. It may contribute to the qualitative change of archival science paradigm. At last, the community of archival science can make the scientific control on academic focal point from the aspects of theory, practice and the discovery of the value of studying unpopular courses.