Closely combined with the demands of society,school orientation and characteristics,based on the characteristics of specialty,the new ideas are put forward about the course construction of mechanical principle.Course construction should aim at talents training around different specialties.Facing construction industry,the complex building machinery products research works as carrier in this course.In the classroom teaching,we protrude the characteristics,strengthen the practice and application.Through integrating the teaching contents,improving teaching methods,evaluating the measures and assessment methods,and strengthening practice training to outstanding the characteristics of cultivating talents,we can cultivate the talents who have innovative features and engineering practice ability in the field of mechanical engineering.Through the course construction,not only the levels of teaching and research are improved,but also the students' comprehensive abilities are facilitated,and then the teaching quality is promoted.