Abstract:There is close connection between dialectics of nature and structural mechanics course. Structural mechanics teaching with dialectics of nature, made the students not only learn professional knowledge, but also analyze and solve problems by dialectical method. Take some practical examples, the paper explored the connection of the three laws of dialectics of nature (against and unite law, quantitative change and qualitative change law, negation after negation law) into Structural Mechanics teaching is made some explorations.