PROBLEM TO BE SOLVED: To provide a package bag for a medical plastic container having a high oxygen gas barrier property and an appropriate water vapor barrier property, and having physical properties suitable for packing the medical plastic container.SOLUTION: The package bag for the medical plastic container is obtained by manufacturing a bag from a laminated film comprising one or at least two layers of an inorganic oxide evaporated film layered on one surface of a biaxially-stretched polyamide resin film and a heat-sealing resin layer layered on the inorganic oxide evaporated film.COPYRIGHT: (C)2009,JPO&INPIT【課題】 高い酸素ガスバリア性及び好適な水蒸気バリア性を有し、さらに医療用プラスチック製容器を包装するのに適した物性を備えた医療用プラスチック製容器用の包装袋。【解決手段】 二軸延伸ポリアミド系樹脂フィルムの一方の面に、無機酸化物蒸着膜を1層又は2層以上積層し、さらに該無機酸化物蒸着膜の上に、ヒートシール性樹脂層を積層した積層フィルム、を製袋して得られる医療用プラスチック製容器用の包装袋。【選択図】 なし