A theft-prevention exhibition device includes a first unit, which comprises a microprocessor, a radiofrequency (RF) transceiver, a first alarm, a first switch, a power source, wherein the microprocessor is electrically connected with the RF transceiver, the first alarm, and the first switch; a second unit, which comprises a memory, a magnetic induction coil, and a wire retractor; a connecting plate adapted to be connected to a display item, wherein the connecting plate comprises a second switch; a wire rope spooled on the wire retractor and connected to the connecting plate, wherein the wire rope connects with the second switch, the memory, and the magnetic induction coil to form a circuit.