The invention relates to a novel environment-friendly garbage treating device. The device comprises a protective casing buried underground, a garbage bin device, a transport vehicle, a cleaning deviceand a carton recovery and storage device, wherein the garbage bin device comprises a garbage bin which comprises a bin body and universal wheels; the transport vehicle comprises a cab, a fixing frameplate and a pulling device, the pulling device comprises a pulling plate and a second lifting driving device; the cleaning device comprises a cleaning wall, a sewage recovery chamber, a water supplychamber, a storage chamber, an electric telescopic rod, water nozzles, a water pumping motor and a water delivery hose, and water holes are formed in the protective casing; the carton recovery and storage device comprises a storage box and an extrusion plate. The garbage bin can be transported by a transport vehicle conveniently and efficiently; the surface of the protective casing is cleaned conveniently by the cleaning device and is clean and sanitary; the carton recovery and storage device provides an independent storage space, different from a storage space for garbage, for recoverable cartons and bottles, and recovering is facilitated.