To satisfactorily separate packed viscous noodles for disposal into garbage and waste packs at an inexpensive cost.

In this separating method, the packed viscous noodles for disposal is mixed with a little amount of edible oil and supplied to a separation drum 2 of a garbage/waste pack separator 1, the packed viscous noodles for disposal is crushed in the drum 2, a centrifugal force and a wind force are applied thereto to separate the crushed packed noodles into garbage and waste pack, to be taken out of the separator 1. A little amount of edible oil is preferably sprayed over the packed viscous noodles for disposal, which are then supplied into the separation drum 2.