To provide a control method 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 method of an environmental recycling work machine having a crusher for crushing the material to be crushed, a loading device installed adjacent to the crusher for loading the material to be crushed supplied to the crusher, and a drive unit for tiltably supporting the loading device to the crusher comprises a position detecting step A10 for detecting a loading position of the material to be crushed loaded on the loading device, and a control step A50 for controlling the drive unit based on the loading position detected by the position detecting step.