Ideological and political education is a kind of social and practical activity, which is centered on the educated person and has the fundamental purpose of solving the person's thought, position and point of view. People are in a certain cultural environment and culture is a culture created by people, that is to say, everyone grows up in a certain culture and is influenced by a certain cultural environment. The central purpose and task of ideological and political education is to cultivate and educate people, and it is very necessary to complete the purpose of ideological and political education through cultural cultivation and inheritance. In fact, the biggest role and essence of culture is to give people a certain cultural inculcation to achieve the role of educating people, and ideological and political education is to educate people, cultural education is also to educate people, so the link between ideological and political education and culture is inseparable. That is why there is also a need to break away from the previous way of education in the part of the study of ideology and culture. Based on the background of the development of big data in today's era, this paper combines computer algorithms with the study of ideological and cultural education, and at the same time builds a big data education platform to better educate students on ideological and cultural education.