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This paper firstly builds a diversified content system of ideological and political courses based on knowledge graph, extracts course knowledge, proposes a LEBERT-CRF entity recognition method that dynamically fuses words and word-level word vectors for the problems that arise in ideological and political courses, and uses dictionary adapters to integrate the features of ideological and political dictionaries into the BERT model, and then combines the resources of ideological and political courses to expand the data sources of knowledge graphs. Finally, taking the teaching and classroom of ideological and political courses in a university as an empirical study, the results show that the test results of the teaching objects on the feedback of ideological and political course content have very significant differences. The teaching observers give 8 “good” evaluations, 6 “average,” 5 “excellent” evaluations, and 2 “need for improvement” evaluations, indicating that the ideological and political elements are well integrated with the course content. The mean values of value orientation, ideological and political integration, ideological and political resources, discussion and interaction, reflection and evaluation, activity organization, technical support, resource push, and dual-line teaching were 3.776, 4.098, 3.874, 4.191, 4.075, 3.885, 4.265, 3.945, and 4.245, respectively. Students recognize the content system of ideological and political courses constructed in this paper. Therefore, the content system of ideological and political courses built in this paper can effectively solve the current situation of redundant and difficult-to-grasp ideological and political knowledge systematically.