The invention discloses a garbage classified recovery treatment device. The device comprises a fixed frame and a baseplate; the fixed frame is arranged at the top of the baseplate; a conveying structure is arranged at the top of the fixed frame; the conveying structure comprises a rotating shaft, a conveying belt and a motor; the motor is rotationally connected with the rotating shaft; the conveying belt is arranged on the rotating shaft; a slide plate is arranged on the right side of the conveying belt; a treatment device is arranged on the right side of the conveying structure; the treatment device comprises a motor, a rotating rod and a cleaning box; the motor is arranged on the baseplate, and is connected with the rotating rod through a rotary connecting mode; and the rotating rod is connected with the cleaning box through a fixed rod. The device recovers waste iron in garbage through an electromagnet, then, crushes and extrudes the garbage, and is simple in overall structural design and easy to realize.