Big data has brought unprecedented challenges to the ideological and political education in colleges and universities, thus the educators in colleges and universities must make efforts to digitize ideological and political education, as well as make more effective decisions by using big data thinking：constructing the digital platforms of ideological and political education in colleges and universities with data, and grasping the thought and behavior trend of the students; keeping the data secret, strengthening the data supervision and protecting students' privacy; developing the ideas of education and innovating the ways of ideological and political education work in colleges and universities through datamation.