The invention relates to a multistage perforating redundancy ignition control device. Two circuits are led out from the lower end of a depth checking apparatus; one of the two circuits is connected with voltage controlling switches while the other circuit is connected with electric separation switches; each pressure control switch is connected with a diode, and is serially connected to a bridge plug igniter; the electric separation switches are serially connected to one another; the top of each electric separation switch is connected with a resistor; each voltage controlling switch and the corresponding electric separation switch are connected with an electric detonator; and each electric detonator is connected with the corresponding voltage controlling switch via the corresponding diode. Two electric detonators which are controlled by the corresponding voltage controlling switch, the corresponding electric separation switch or the corresponding diode are arranged in each perforating gun. In a first-stage perforating gun, the corresponding voltage controlling switch triggers the corresponding electric detonators, or the circuit of the corresponding diode triggers the other electric detonator. In a second-stage perforating gun and a third-stage perforating gun, the corresponding voltage controlling switches trigger the electric detonators, or electronic switches trigger the other electric detonators. Voltage control and electronic multi-ignition technologies are adopted, ignition operation is facilitated, reliability of perforating operation is improved, and the multistage perforating redundancy ignition control device is suitable for shale gas exploitation perforating operation.