The invention discloses an environment-friendly classified dustbin realizing convenience in recycle. The classified dustbin comprises a bin body and a cover plate, wherein the bin body is provided with a left chamber and a right chamber; the cover plate is hinged to the top end of the bin body; each chamber of the bin body is internally and vertically fixedly provided with a screw rod driven by amotor; each screw rod is matched and connected with a slider capable of sliding up and down along the corresponding screw rod; each slider is slidably connected with an oblique plate of which the section is in a right triangle shape; each slider comprises a positioning end matched with the side surface of the corresponding oblique plate, a limiting end matched with the bottom surface of the corresponding oblique plate, and a gear rack section connected with the corresponding oblique plate; one side, close to the corresponding slider, of each oblique plate is fixedly provided with two lugs; a first gear engaged with the corresponding gear rack section is rotationally connected between the corresponding lugs by virtue of a connecting shaft; the two ends of each connecting shaft are slidablyconnected to the two sides of the corresponding gear rack section; and each oblique plate is internally provided with a driving gear which is driven by a motor and is engaged with the corresponding first gear. The environment-friendly classified dustbin disclosed by the invention can be used for automatically compressing garbage so as to reduce the pouring times of a worker.