Abstract: The research-oriented teaching system of the natural dialectics under the "open idea" is a typical dissipative structure system which has these features: the open of the system,far-from-equilibrium state,nonlinear function and the fluctuation of the effectiveness and so on.That we object to the traditional "monologic" closed teaching idea,advocate the reform of the teaching means and teaching methods,optimize the evaluation methods of teaching can make the teaching practice of the dialectics of ..