Building waste classification treatment device

The invention is suitable for the technical field of building waste treatment, and provides a building waste classification treatment device which comprises a treatment shell, a first partition plate and a second partition plate. A partition plate; a crushing roller mechanism; a guide swash plate; a conveyor belt mechanism; a garbage distributor; the smashing and screening mechanism is arranged on the side, away from the conveying belt mechanism, of the partition plate and located below the garbage distributor. The garbage distributor comprises a large V-shaped guide plate which is of a V-shaped structure, the end, away from the crushing roller mechanism, of the partition plate is horizontally distributed and provided with a screening part, and the end, close to the crushing roller mechanism, of the partition plate abuts against the bottom of a guide inclined plate; a side plate; guiding the protective top cover; a feed chute; a first rotating shaft; a rotation driving member; a second rotating shaft; a first