Anti-theft alarming lock

The utility model relates to an anti-theft alarming lock which is composed of a lock shell, lock bolts, an arc-shaped plate, a spring, a lock core and a lock box. The utility model is characterized in that the anti-theft alarming lock is provided with two symmetrical locking mechanisms; the trail parts of two lock bolts are provided with control rods which can be used for mutual restriction of the two lock bolts; two contact switches which are respectively corresponding to the two lock bolts are arranged in the lock box; the two contact switches are connected in circuits of DC power supply and an alarm in series. The utility model with the advantages of safety can cause that larceners can not fast open the lock, and the alarm can alarm in the process of lock opening.