Abstract: It is a strategic measure to implement the fundamental task of cultivating morality to comprehensively promote the ideological and political construction of curriculum. The excavation of ideological and political elements is a difficult and blocking point in the process of curriculum ideological and political construction. Hence, the authors, based on their teaching exploration and practice, summarized the excavation ideas of ideological and political elements of traditional engineering core courses, and illustrated how to integrate ideological and political elements with course content, expecting to achieve the silent ideological and political education effect, and to provide the reference for improving the ideological and political construction quality of traditional engineering core courses.