Packaging bag positioning method and supporting structure used by same

The invention relates to a packaging bag positioning method and a supporting structure used by the same. The packaging bag positioning method refers to a plurality of packaging bags with hand-liftingholes, a vertical bag penetrating rod is arranged during positioning, the bag penetrating rod penetrates through the hand-lifting holes of the packaging bags, when being stacked, the packaging bags are stacked together in the up-down direction by using the positioning method, and meanwhile, the edges of the packaging bags are aligned. According to the packaging bag positioning method, the bag penetrating rod is arranged, positioning is conducted through the hand-lifting holes of the packaging bags, and the method is easy to use; and when the packaging bags are stacked in the up-down direction,the stacking height of the packaging bags can be increased by using the positioning method, and the packaging bags do not topple and fall or slide relatively. The supporting structure comprises a supporting plate, the bag pen