Abstract: Digitalization is the premise of the digital transformation of ideological and political education. Data has humanistic value, which is coupled with ideological and political education; ideological and political education contains scientific rationality and has application coupling with scientific and technological data. However, in the practice of digital transformation of ideological and political education, there are hidden concerns about dataism, the phenomenon of data-based occurs from time to time, due to the tension between data and ideological and political education, which triggers the failure of mainstream value guidance, the imbalance of the relationship between educational subjects, and the anomie of digital technology application and other types of risks. To effectively prevent the tendency of dataism in ideological and political education, it is necessary to actively promote the digital transformation of ideological and political education, not only to lead the high-quality development of data-based ideological and political education with the new data concept of “data-humanities” synergy, but also to strengthen the digital literacy education of educators and educational objects. And to boost the humanistic value of ideological and political education, as well as to build a solid base for the digitisation of ideological and political education, so as to promote the release of technological potential.