To solve the individual and integer conflict problem based on the condition of power industry deregulation,the comparison of Cournot model and the traditional economic dispatching is discussed.The economic dispatching model based on Cournot model is analyzed.A simple method of Cournot equilibrium is presented.The results show that Cournot model not only can be applied to obtain maximal benefits for power factories,but also can coordinate the benefits between the power factories.Cournot model is an equilibrium model that can be applied under the condition of power industry deregulation.