Professional courses are the main support of Ideological and political construction of courses.It is of great significance to integrate professional courses into Ideological and political education.Taking the course of "basic principles of steel structure" as an example, this paper discusses the practical path of collaborative education between Ideological and political courses and professional courses.To educate people to find the direction and focus on,In this paper, teaching objectives as the main line, with professional knowledge as the background, to find five points of entry.Through the entry point, the teaching objectives and ideological and political objectives are organically combined, the ideological and political elements contained in professional courses are deeply explored, and a complete value evaluation system is constructed.Pay close attention to the "main force" of teachers, the "main battlefield" of curriculum construction and the "main channel" of classroom teaching, and form a complete new educational path through three teaching methods, three teaching steps and one evaluation system.Strengthen students' professional knowledge, enhance students' "four self-confidence", enhance students' feelings of home and country, and truly achieve the teaching effect of teaching and educating people, and the joint construction of major and ideological and political education. This study can provide reference for similar majors to carry out curriculum ideological and political education.