Anti-theft lock

The utility model relates to the field of lock heads, in particular to an anti-theft lock, a locking mechanism of the anti-theft lock is locked and fixed with a lock hole on an easy-to-steal article, and the anti-theft lock is characterized in that the locking mechanism is formed by combining at least two lock hooks, a lock cylinder and a lock tongue, the lock hooks are distributed in a surrounding posture for an opening component on the lock tongue, and the lock cylinder drives the lock tongue to do reciprocating motion so as to lock the opening component on the easy-to-steal article. The lock hook can be ejected and separated outwards through the opening assembly and is clamped into the inner side of an easy-to-steal object. According to the structure, the number of parts is small, only the lock hook, the lock cylinder, the lock tongue and the opening assembly are adopted, and the generated linkage relation is small, so that the parts are not prone to mutual influence in the use process, the overall stabili