PURPOSE: To regularly convey thin leaf bodies which have been manufactured and stacked to a packing machine under conditions that the stacked bodies do not collapse, when a thin product, for example, such as poultice of medicine is produced and a required number of the products are stacked and packed.

CONSTITUTION: A required number of thin leaf bodies are stacked in a tray 4, wherein a bottom plate is provided so as to be opened and closed, and thereafter the tray 4 is carried to above a feed conveyor 3 of a packing machine 2 and the bottom plate of the tray is opened above the conveyor 3 to permit the stacked thin leaf bodies to fall down to transfer the bodies onto the conveyor 3.