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For miniaturized spacecraft’s demand of the integrated control system, combining the advanced aircraft integrated avionics application experience, a VITA74 bus based architecture space integrated control system was designed,which made a big increase in performance, power consumption, volume.The dual-core SoC chip inside the SiP chip was used to run the main control program and navigation control algorithm, and rich peripheral interfaces were realized through the interface resources integrated by the chip and the programmable logic resources.The hardware system design, software system design and structure design scheme of integrated control system were presented. The corresponding performance test showed that the system worked normally and all performance indicators met the mission requirements, which could be used for the future use of space vehicles.