To provide a garbage storage bag for a garbage drying treatment machine allowing garbage being stored therein to be charged into the drying garbage treatment machine, and its manufacturing method.

The garbage storage bag for the garbage drying treatment machine having a number of pores comprises a bag-shaped body and a laminate sheet having a paper layer easy to disentangle from water and a biodegradable resin layer, adhered thereto. Its manufacturing method comprises laminating the hydrolytic biodegradable resin layer on easy-to-disentangle paper, processing it into a bag shape, and providing the pores therein. Otherwise, its manufacturing method comprises providing the pores in the easy-to-disentangle paper, immersing the paper in a biodegradable resin liquid for lamination, and then processing it into the bag shape.