PURPOSE: To provide a fluidized bed type treating device from which the product can be taken out without using a reversing device.

CONSTITUTION: A source material chamber 11 containing a source powder is attached to a granulating machine main body 1. The discharge port 20 of the source material chamber 11 is directly connected to a product hopper through a discharging device 7 comprising a transporting pipe 71 and a vacuum sucking device 72. The source material is granulated while fluidized in the source material chamber 11 attached to the granulating machine main body 1. The product after the treatment is vacuum-sucked as in a fluidized state and directly transported to the product hopper 6.