To provide a dustpan capable of mounting and using the various kinds of dust bags for which the sizes of openings are different, opening an opening part in the dust bag to be mounted and used to a required size at need and easily sweeping in sweep-in dust.

This dustpan is provided with an opening lower frame A provided at least with a flat sweep-in surface (y) and an opening upper frame B detachable and attachable from/to the opening lower frame A. On a side opposite to a sweep-in side in the opening lower frame A and the opening upper frame B, attaching means D for attachably and detachably attaching respectively corresponding parts at the opening edge (c) of the dust bag C mounted to a sweep-in opening (x) constituted by the opening lower frame A and the opening upper frame B and used are respectively provided.