Anti-theft lock

The utility model discloses an anti-theft lock, belongs to the technical field of locks, and solves the problems that in the prior art, a lock of an equipment cabinet is easy to damage, and the equipment cabinet is easy to open. The shell is mounted on the mounting plate, and an insertion hole is formed in the mounting plate. And the mounting frame is arranged in the inner cavity of the shell. The partition plate is arranged in the shell and divides the shell into a first cavity and a second cavity, and the insertion hole is located in the first cavity. The locking plate is provided with a locking hole, and after the locking plate is inserted into the first cavity from the insertion hole, the locking hole is located in the first cavity. The locking pin is arranged on the mounting frame in a sliding mode, and after the locking pin is inserted into the locking hole, the anti-theft lock is in a closed state. The limiting mechanism is arranged in the shell and is configured to limit the locking pin inserted into