This paper introduces the significance of big data intelligent ideological and political education research in Colleges and universities in the new era, summarizes the research status of key technologies of Ideological and political education in Colleges and universities, and puts forward the concept of big data's intelligent ideological and political education classroom in Colleges and universities and key technologies of its model. Combined with the background of "a board of chess" epidemic prevention and control, taking Yunnan Normal University's education informatization and students' Ideological and political education work management as an example, this paper exemplifies "class suspension and keeping teaching" the working mechanism of big data's intelligent ideological and political classroom model in Colleges and universities and part of the front-end interface display are given, which provides reference for the research of big data's ideological and political education work and education information data center "a board of chess in the whole school".