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In response to the requirements for the application of reusable spacecraft ground system and the existing problems in the actual scheme, the ground system is taken as a whole and its generalized various computers are extracted to design a hyper-converged scheme which replaces the independent design concept of each subsystem. Through software definition hardware and server virtualization, storage virtualization, network virtualization, display and operation desktop, computer resources can be distributed flexibly and adjusted dynamically to adapt for the needs of various subsystem tasks. Provided to each subsystems in the form of virtual machines and cloud desktops, the ground system configuration and deployment is simplified, and also generalized, convenient, configurable, highly available. The application comparison with independent design scheme for each subsystem and performance test show that the ground system hyper-converged scheme reducing IT facilities by 32%, shortening deployment time 52%, reducing the complexity of operation and maintenance by 60%, with availability achieving over 99.9%, service delay rate lower than 44% and enabling flexible configuration, which makes it adapt to application of different kinds of reusable spacecrafts.