To provide a disposal device for garbage surely and excellently accelerating the decomposition of a semi-treated material discharged from a treating part as the decomposition is insufficient or a treating material housed in a recovering part.

In the treating device for garbage, which is provided with a treating part S for biologically degrading the garbage to treat, the recovering part K for recovering a biologically degraded material and a deodorizng exhaust part D for deodorizing malodor from treating part S or the recovering part K and exhausting, a crushing means for finely crushing the treated material is provided between the downstream end of the treating part S and the upstream end of the recovering part K. As the crushing means, one provided with a cylindrical meshlike body 72 opened upward and a rotary blade 93 mounted to the inside lower part of the meshlike body 71 is suitable.