To obtain a garbage treating device that is installed at the sink of a kitchen, easy to use, small in size, and silent.

The crude refuse existing in the lower part after crushing and cutting by means of a crushing screw 131 and a rotary blade 141, which are rotated at a low speed by a driving motor 151, is discharged together with water from a crude refuse discharge port 16. The erroneously charged foreign matter is transported backward to a foreign matter recovering section disposed in part of the crushing screw to facilitate the recovery of the foreign matter from a charging port. As a result, the highly reliable and practicably easy-to-use form is obtd.