To provide a control apparatus of an environmental recycling work machine which can accurately control the amount of material to be crushed supplied to a crusher by using a simple structure.

The control apparatus comprises a crusher 5 for crushing the material to be crushed, a loading device 4 installed adjacent to the crusher 5 for loading the material to be crushed supplied to the crusher 5, a drive unit 3 interposed between the crusher 5 and the loading device 4 for tiltably supporting the loading device 4 to the crusher 5, loading position detecting means 2a-2c for detecting a loading position of the material to be crushed on the loading device 4, and a control device 1 for controlling the drive unit 3 based on the loading position detected by the loading position detecting means 2a-2c.