With the development of information technology, online teaching has become an essential part of the education system. Ideological and political education is also an important aspect of education in China. In recent years, the Chinese government has attached great importance to the development of ideological and political education and has continuously improved its effectiveness. The 20th National Congress of the Communist Party of China (CPC) has put forward new requirements and challenges for ideological and political education. This thesis aims to explore the creative materials of ideological and political online teaching under the background of the 20th National Congress. Through a literature review, case analysis, and expert interviews, this thesis proposes strategies for developing creative materials of ideological and political online teaching to enhance its effectiveness.