The invention is applicable to the technical field of computers and provides a digital gyroscope phase-position time delay testing system which comprises an angle vibration platform, a standard simulation sensor, a tested digital gyroscope, testing equipment and a host computer, wherein the angle vibration platform is used for generating vibration actions; the tested digital gyroscope is used fordetecting the vibration actions of the angle vibration platform and outputting digital vibration signals; the standard simulation sensor is used for detecting the vibration actions of the angle vibration platform and outputting vibration simulation signals; the testing equipment is used for acquiring the digital vibration signals and the vibration simulation signals synchronously according to synchronous acquisition instructions transmitted from the host computer, and transmitting the signals to the host computer; the host computer is used for calculating relative phase-position time delay ofthe digital vibration signals and the vibration simulation signals and calculating phase-position time delay of the tested digital gyroscope according to the relative phase-position time delay and first preset time delay. By adopting the testing system, digital signals and simulation signals are synchronously acquired by using the testing equipment, so that phase-position time delay detection on the tested digital gyroscope can be achieved according to the relative phase-position time delay of the digital signals and the simulation signals.