PURPOSE: A garbage disposer which is capable of preventing emission of odorous gases by plasma generator and activated carbon is provided. CONSTITUTION: The garbage disposer comprises a drum(80) for decomposing garbage by a heater; a body(30) for covering the drum(80); a power transmission and agitation means(40); a pipe(104) for transporting odorous gas; a plasma generator(110) for removing odorous gas; a filter packed with activated carbon for further deodorization of odorous gas; and a pan for exhausting gas removed odor.