The utility model discloses an intelligence rack lock on its door plant of locating the communication rack, inlays on the door plant and is equipped with the lock body, and the outside of lock body is equipped with the protecgulum, be equipped with external power source port and handle on the protecgulum, the inner chamber of lock body is equipped with control module, bluetooth module and door magnetism, wears to be equipped with the lock core on the protecgulum, still be equipped with the spring bolt module on the lock body, the spring bolt module includes the spring bolt main part, and the spring bolt main part wears to locate the lock body, is equipped with the axle sleeve between spring bolt main part and the lock body, between control module and the bluetooth module, between control module and the lock core, between control module and the external power source port, between control module and the spring bolt module, be the electricity between the control module AND gate magnetism and be connected, the last power supply cable that is equipped with of external power source port, power supply cable's one end is equipped with the lock body plug, and the other end is equipped with at least one outer union. The utility model discloses an intelligence rack lock can be under the condition that the normal power supply became invalid, realizes the the normal power supply of rack lock fast, guarantees the normal use of rack lock.