Big data is an important engine driving the modernization of ideological and political education. The innovative development of ideological and political education based on big data fusion is not only the trend of ideological and political education in the era of big data, but also the inherent requirement of ideological and political education modernization. The modernization of ideological and political education driven by big data has both theoretical possibilities and practical necessity. In the new era, the modernization of ideological and political education driven by big data should clarify the theoretical relationship between "change" and "unchanged", "cold" and "warm", "advantage" and "disadvantage". Then, from the perspective of internal requirements, fundamental premises, key links, and important safeguards, four practical ideas are put forward to realize the deep integration of big data and ideological and political education.