To provide a device quickly and easily absorbing puddle formed on a ground and grooming the ground in school or the like.

This puddle water absorbing device includes: a water absorber 20 formed by detachably attaching a foaming body 24 of open cell to a platen 22 having a handle 21; a grating-like drainboard 13 set while being dropped in the interior of a container 10; and the container 10 storing water content drained by the grating-like drainboard 13. The grating-like drainboard 13 is attached with at least three hooks 15 on its circumference, and dropped in the interior of the container 10 by hanging the hooks 15 to the edge of the container 10, or a stepped portion 12 is formed inside an opening edge 11 of the container 10 and the grating-like drainboard 13 is dropped onto the stepped portion 12.