A paper barrier material characterized by meeting the conditions to below: a water vapor permeability at 40 ± 0.5°C in temperature and 90 ± 2% in relative humidity is 3 g/m 2 •day or below; an oxygen permeability at 23°C in temperature and 0% in relative humidity is 3 ml/m 2 •day•atm or below; and an oxygen permeability at 23°C in temperature and 85% in relative humidity is 3 ml/m 2 •day•atm or below, wherein the paper barrier material is constituted by a paper barrier base paper that comprises a paper base material having a water vapor barrier layer comprising a water vapor barrier resin and optionally a water-soluble polymer as well as a gas barrier layer containing a water-soluble polymer, and a protective layer is further provided on at least one side of the paper barrier base paper, wherein the protective layer is a resin laminate layer, wherein the water vapor barrier layer comprises at least one inorganic pigment selected from kaolin, clay, engineered kaolin, delaminated clay, heavy calcium carbonate, light calcium carbonate, mica, talc, titanium dioxide, barium sulfate, calcium sulfate, zinc oxide, silicate, silicate salt, colloidal silica, and satin white, wherein the volume-median average grain size of the inorganic pigment is 5 μm or greater and its aspect ratio is 10 or greater, and wherein the blending quantity of the pigment is such that the total quantity of the water vapor barrier resin and the water-soluble polymer is 5 parts by weight or more but no more than 200 parts by weight, relative to 100 parts by weight of the pigment in dry weight, wherein the water vapor barrier resin is at least one of a styrene-butadiene, styrene-acrylic, ethylene-vinyl acetate, paraffin (wax), butadiene-methyl methacrylate, vinyl acetate-butyl acrylate copolymer, maleic anhydride copolymer, and acrylate-methyl methacrylate copolymer, wherein the coating quantity of the water vapor barrier layer is 3 to 50 g/m 2 in dry weight, wherein the gas barrier layer comprises at least one inorganic pigment selected from kaolin, clay, engineered kaolin, delaminated clay, heavy calcium carbonate, light calcium carbonate, mica, talc, titanium dioxide, barium sulfate, calcium sulfate, zinc oxide, silicate, silicate salt, colloidal silica, and satin white, wherein the volume-median average grain size of the inorganic pigment is 3 μm or greater and its aspect ratio is 10 or greater, and wherein the blending ratio of the pigment and the water-soluble polymer is 1/100 to 1000/100 in dry weight, wherein the water-soluble polymer contained in the gas barrier layer is selected from polyvinyl alcohol, casein, soybean protein, synthetic protein, starch, carboxy methyl cellulose, hydroxy methyl cellulose, hydroxy ethyl cellulose, polyvinyl pyrrolidone, and sodium alginate, and wherein the coating quantity of the gas barrier layer is 0.2 to 20 g/m 2 in dry weight. a water vapor permeability at 40 ± 0.5°C in temperature and 90 ± 2% in relative humidity is 3 g/m 2 •day or below; an oxygen permeability at 23°C in temperature and 0% in relative humidity is 3 ml/m 2 •day•atm or below; and an oxygen permeability at 23°C in temperature and 85% in relative humidity is 3 ml/m 2 •day•atm or below, wherein the protective layer is a resin laminate layer, wherein the water vapor barrier layer comprises at least one inorganic pigment selected from kaolin, clay, engineered kaolin, delaminated clay, heavy calcium carbonate, light calcium carbonate, mica, talc, titanium dioxide, barium sulfate, calcium sulfate, zinc oxide, silicate, silicate salt, colloidal silica, and satin white, wherein the volume-median average grain size of the inorganic pigment is 5 μm or greater and its aspect ratio is 10 or greater, and wherein the blending quantity of the pigment is such that the total quantity of the water vapor barrier resin and the water-soluble polymer is 5 parts by weight or more but no more than 200 parts by weight, relative to 100 parts by weight of the pigment in dry weight, wherein the water vapor barrier resin is at least one of a styrene-butadiene, styrene-acrylic, ethylene-vinyl acetate, paraffin (wax), butadiene-methyl methacrylate, vinyl acetate-butyl acrylate copolymer, maleic anhydride copolymer, and acrylate-methyl methacrylate copolymer, wherein the coating quantity of the water vapor barrier layer is 3 to 50 g/m 2 in dry weight, wherein the gas barrier layer comprises at least one inorganic pigment selected from kaolin, clay, engineered kaolin, delaminated clay, heavy calcium carbonate, light calcium carbonate, mica, talc, titanium dioxide, barium sulfate, calcium sulfate, zinc oxide, silicate, silicate salt, colloidal silica, and satin white, wherein the volume-median average grain size of the inorganic pigment is 3 μm or greater and its aspect ratio is 10 or greater, and wherein the blending ratio of the pigment and the water-soluble polymer is 1/100 to 1000/100 in dry weight, wherein the water-soluble polymer contained in the gas barrier layer is selected from polyvinyl alcohol, casein, soybean protein, synthetic protein, starch, carboxy methyl cellulose, hydroxy methyl cellulose, hydroxy ethyl cellulose, polyvinyl pyrrolidone, and sodium alginate, and wherein the coating quantity of the gas barrier layer is 0.2 to 20 g/m 2 in dry weight.