The utility model relates to a satellite navigation field discloses a device of beidou satellite signal regeneration GPS signal, including shield cover, base, plenum chamber during shield cover and base form one, well plenum chamber from last to down in proper order the interval lay big dipper receiving antenna, beidou signal treater, GPS emit antenna, former GPS equipment receiving antenna, big dipper receiving antenna passes through the beidou signal treater with the beidou signal who receives to be handled, generates the GPS signal through the GPS signal regenerator to through GPS emit antenna broadcast for former GPS equipment receiving antenna. The device of the utility model is simple in structure, installation configuration is nimble, and its palingenetic GPS signal possesses anti deception interference killing feature, but wide application in communication system, electric power, bank and military equipment provide the safety guarantee for the great infrastructure of china.