Equipment Support System of Systems (SoS) is the research basis of weapon equipment system of systems and operation system of systems . This paper establishes an initial network simulation model of equipment support system of systems based on the complex network theory, which mainly sets the support entity as the node and the connecting relationship as the edge and includes the command network model, maintenance network model and supply network model and . Then in order to evaluate the robustness under dynamic evolution, the cascading failure and cooperative support model are established. Finally, this paper compares and analyzes the variation of the corps Equipment Support SoS under three different simulation plans, which can provide theoretical guidance for the Equipment Support SoS modeling and simulation.