The utility model discloses a device is blown out to three people interlocking based on personnel positioning system, including a plurality of subsystems, every subsystem is equallyd divide and do not and read card substation and multi -functional exploder and be connected, still including personnel's identification card of projectile radio signal, the subsystem is connected through first tee bend terminal box and second tee bend terminal box including personnel target detection recognizer, personnel target detection recognizer, and second tee bend terminal box is still interlocked the target identification ware with multi -functional exploder and three people respectively and is connected, personnel target detection recognizer and three people interlock the target identification ware respectively with read the card substation and be connected, personnel's identification card is provided with the type of three kinds of differences. Safe affirmation can be accomplished to this device before the initiation, in case emergency appears, the exploder locks in good time.