To provide a crime prevention buzzer to prevent a bag from being stolen by a snatcher so as to solve a conventional problem in which it is hard to operate a crime prevention buzzer during a snatching crime and, even when the crime prevention buzzer is operated after the bag is snatched, the snatcher is already gone.

A snatching crime prevention belt is provided. At the both ends of the stretchable belt of which length is adjustable, ring-shaped metal fittings are mounted to put on a bag and the like. A crime prevention buzzer is fixed on a part of the stretchable belt, and a rear end of a switch string, of which a front end can be freely inserted into a switch part of the crime prevention buzzer, is fixed to the fitting.