Abstract: The application of digital technology is conducive to the reform and innovation of teaching mode, cross-fertilization of teaching methods and improvement of teaching ability to enhance the teaching effect of cultural self-confidence in ideological and political theory courses in colleges and universities. However, in the context of digitalization, the ideological and political theory education is also faced with the double trap of the intrusion of western multicultural values and the failure of teaching discourse methodology. For this reason, we should focus on exploring the advantages and focus points of digital technology to empower the innovation and development of cultural confidence teaching, and purpose the triple shift of cultural confidence teaching in ideological and political theory courses; the shift of cross-disciplines, the shift of digital field, and the shift of daily life space. In this way, we will continue to enhance the cultivation of students' ideals and socialist core values, deepen their knowledge of traditional Chinese culture, and enable them to promote their cultural awareness by actively grasping the relationship between the local and the foreign, the traditional and the contemporary, thus injecting college students deep cultural resources and strong spiritual power into the chasing process of the great rejuvenation of the Chinese nation.