Under the condition of informatization, the new menaces make the air battlefield environment more and more complicated, such as stealth, strong electrical interference, beyondvisualrange attack and so on. To meet the demand of new systematic operational, cloud computing is applied to air formation collaborative warfare. With the characteristics of distributed computation, virtualization and efficient resource management, cloud computing is able to reorganize dispersive operational resource organically, which can greatly improve the cooperative engagement capability. This approach can solve the various new threats, which helpsfighters to master the situation on the battlefield. Aimed at the issues related to the conceptand means of cloud collaborative warfare, this paper introduces the application of cloud computing tocollaborative warfareat first. And then the operating principle ofcloud collaborative combat system based on cloud computingis discussed. Furthermore, the system architectureis presented.At last, this paper analyses the advantages of cloud collaborative warfare, compared with the traditional networking collaborative mode.