The combination of OBE concept and curriculum based ideological and political education, integrates value shaping, knowledge imparting and ability training, attaches importance to the output of teaching process, and embodies the concept of student-centered and fostering morality and cultivating people. Taking the highly practical civil engineering surveying course as an example, based on the analysis of the connotation and extension of curriculum based ideological and political education of civil engineering surveying, this paper puts forward the idea of teaching optimization design under the guidance of curriculum based ideological and political education 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, to provide reference for the curriculum based ideological and political education reform of engineering majors.