The utility model is applicable to the barcode technical field, and provides a barcode lock. The barcode lock comprises a lock body, a lock head, a steel wire rope, an inductive unlocking device and a radio frequency identification passive electronic tag, wherein the inductive unlocking device is contained in the lock body; the steel wire rope comprises a first end and a second end; the first end is fixedly connected to the lock body and the second end runs through a steel component and is connected to the lock head; the lock head is fixedly connected to the inductive unlocking device so as to hang the lock body on the steel component; the radio frequency identification passive electronic tag is arranged in the lock body. When the barcode lock enters an inductive region through the steel component, the radio frequency identification passive electronic tag can be inducted by an inductor in the inductive region, so as to automatically collect information of the steel component.