To provide a portable desktop garbage disposer, which is calm and safe for human bodies.

The portable desktop garbage disposer 1 is provided with: an inner pan 2 treating garbage; a garbage treating casing 3 having a housing part removably housing the inner pan 2; a lid 4 openably/closeably attached to the garbage treating casing 3, covering the upper part of the casing 3, and closing a charge port of the inner pan 2, wherein an air sucking passage communicating with the inner pan 2 is provided inside the lid 4, and a discharge passage communicating with the inner pan 2 is provided inside the lid 4, and an air sending means sending air into the air sucking passage to the inner pan and a heating means heating the inner pan are included.