Anti-theft alarm lock

The utility model relates to an anti-theft alarm lock, relating to the technical field of locks. The anti-theft alarm lock comprises a lock body, a lock core, and a U-shaped lock rod. Two lock rod inserting holes are arranged on the U-shaped lock rod. An anti-theft alarm device is installed inside the lock body. The anti-theft alarm device comprises dry batteries, an anti-theft alarm integration control circuit board, and a sounding horn. Wherein, a contact head is arranged inside one lock rod inserting hole, one end of the U-shaped lock rod is a cove, and the other end of the U-shaped lock rod is a solid core. The anti-theft alarm lock has convenient use and good anti-theft performance.