The combination of OBE concept and " curriculum ideology and politics " integrates "value shaping, knowledge imparting and ability training", embodies the student-centered education concept of "Building Morality and cultivating people", attaches importance to the output of the teaching process and makes continuous improvement. Taking the highly practical "civil engineering survey" course as an example, based on the analysis of the connotation and extension of "curriculum thought and politics" of civil engineering survey, this paper puts forward the idea of teaching optimization design under the guidance of " curriculum ideology and politics " from the aspects of curriculum system, teaching content, teaching process and teaching methods. Combined with the characteristics of the course, this paper explores the ideological and political elements contained in the course content, and takes the ideological and political teaching design of the "leveling principle" as an example to explore the integration of professional knowledge points and ideological and political elements, in order to provide reference and reference for the "Curriculum ideological and political" reform of engineering majors.