A device for preventing an inlet from being blocked for a particle suction pipe is provided. The device for preventing an inlet from being blocked for a particle suction pipe according to an embodiment of the present invention, which is joined to a suction pipe for directly sucking particles in a plastic packing material from the packing material, comprises: a body which has a through hole where particles pass through in a height direction; and multiple separation parts of which at least a part protrudes downward from the bottom end of the through hole in a certain height to prevent the packing material from directly coming in contact with the bottom end of the through hole when the particles are sucked.
