The invention relates to a flight data recording equipment ground integrated test system which comprises a main control computer, a simulation control computer, a verification control computer, a signal simulation sub-system, a signal simulation sub-system, a communication network sub-system and a synchronous trigger system. The main control computer completes functions of user management, report output, flight data interpretation and the like, the simulation control computer is a control main center of the signal simulation sub-system, the verification control computer is a control main center of the signal verification sub-system, the signal simulation sub-system outputs all kinds of real time simulation signals, the signal verification sub-system is composed of testing apparatus and verifies the correctness or the precision of the simulation signals output by the signal simulation sub-system, the communication network sub-system is a communication platform between computers and the testing apparatus in the system, and synchronous trigger system realizes the clock synchronization and trigger synchronization of the signal simulation sub-system and the signal simulation sub-system. The flight data recording equipment ground integrated test system provides an accurate signal source to the full test of ground environment flight data recording equipment.