PACKAGING BAG

[task] It is to provide a packaging bag not requiring an outer container separate from the packaging bag, reducing the cost by simplification of the manufacturing process, decreasing the housing or displaying space without protruding a film-shaped pouring nozzle from an upper edge portion or a side edge portion of the packaging bag and fearing no bending or breakage of the film-shaped pouring nozzle. [Solution for task] In a packaging bag comprising a main bag body made of laminate films and a film-shaped pouring nozzle made of laminate films being thinner than the laminate film for the main bag body and developing a self-sealing function, the main bag body is provided on an edge part of a portion formed by cutting out at least a shoulder part with a notch part for fixing and holding the film-shaped pouring nozzle, and the notch part is formed as a protect cover separateably connected to the cutout edge part to house the film-shaped pouring nozzle therein, and an outer face of a base part of the pouring nozzle is fusion-joined to an inner face of the cutout edge part of the main bag body and connected to the main bag body.