Kitchen garbage and non-kitchen household garbage reduction and classification combined treatment system

The utility model discloses a kitchen garbage and non-kitchen garbage reduction and classification combined treatment system, which is characterized in that a bottom discharge port of a kitchen garbage treatment reduction system and a bottom discharge port of a double-layer shaft type screen drum classification device are simultaneously communicated with a buried garbage compression turnover box; a first conveying belt, a kitchen garbage receiving platform and a lifting and weighing device are sequentially arranged at a feeding hole of the kitchen garbage treatment and reduction system; a second conveying belt and a non-kitchen household garbage receiving platform are sequentially arranged at a feeding hole of the double-layer shaft type screen drum classification device; the buried garbage compression turnover box is used for collecting perishable organic matters. The kitchen garbage sorting device has the advantages that reduction and recycling classification treatment can be conducted on kitchen garbage an