To provide an epoch-making pet dung collector making a dung bag detachable very easily through eliminating the troublesome operation of attaching/detaching such a bag as a drawback involved in conventional pet dung collectors.

The pet dung collector for collecting pet dung and discarding it has the following structure. The tip of a handle 1 is provided with a frame- shaped attachment body 3 having a recess 2, the periphery of the frame-shaped attachment body 3 is provided with a brim 3a to be engaged with the peripheral rim 4a of a flexible bag 4 inserted into the recess 2, and a hooking part 3b for nipping and hooking part of the bag 4 is provided at any point along the brim 3a.