A multilayered container having a multilayered structure that includes at least: a polyolefin inner layer, an inner adhesive layer, an inner gas-barrier layer, an oxygen-absorbing layer, an outer gas-barrier layer, an outer adhesive layer, and a polyolefin outer layer, and having at least a body portion and a bottom portion, wherein: said gas-barrier layers and each comprise an ethylene-vinyl alcohol copolymer, said inner gas barrier layer is located on the inside of said oxygen-absorbing layer and said outer gas barrier layer is located on the outside of said oxygen-absorbing layer; said oxygen-absorbing layer comprises an oxygen-absorbing resin composition that contains the ethylene-vinyl alcohol copolymer and an oxidizing organic component; the thickness of the multilayered container at the thinnest portion is in a range of 360 to 50 μm; the total thickness of the inner gas-barrier layer, oxygen-absorbing layer and outer gas-barrier layer is in a range of 15 to 55 μ m; the thickness of the oxygen-absorbing layer is 3 to 45 μm; the total thickness of the inner gas-barrier layer and outer gas-barrier layer is 10 to 52 μm; the amount of oxygen absorbed after the heat-sterilization is not less than 23 cc per gram of the oxygen-absorbing resin composition; and an adsorbing agent is contained, on the side inside of said inner gas-barrier layer, (i) in said polyolefin inner layer or (ii) in an adsorbing agent-containing layer that is provided between said inner gas-barrier layer and said polyolefin inner layer, wherein said adsorbing agent is for adsorbing oxidized and decomposed products produced as a result of oxygen-absorbing reactions in the oxygen-absorbing layer. a polyolefin inner layer, an inner adhesive layer, an inner gas-barrier layer, an oxygen-absorbing layer, an outer gas-barrier layer, an outer adhesive layer, and a polyolefin outer layer, and having at least a body portion and a bottom portion, wherein: said gas-barrier layers and each comprise an ethylene-vinyl alcohol copolymer, said inner gas barrier layer is located on the inside of said oxygen-absorbing layer and said outer gas barrier layer is located on the outside of said oxygen-absorbing layer; said oxygen-absorbing layer comprises an oxygen-absorbing resin composition that contains the ethylene-vinyl alcohol copolymer and an oxidizing organic component; the thickness of the multilayered container at the thinnest portion is in a range of 360 to 50 μm; the total thickness of the inner gas-barrier layer, oxygen-absorbing layer and outer gas-barrier layer is in a range of 15 to 55 μ m; the thickness of the oxygen-absorbing layer is 3 to 45 μm; the total thickness of the inner gas-barrier layer and outer gas-barrier layer is 10 to 52 μm; the amount of oxygen absorbed after the heat-sterilization is not less than 23 cc per gram of the oxygen-absorbing resin composition; and an adsorbing agent is contained, on the side inside of said inner gas-barrier layer, (i) in said polyolefin inner layer or (ii) in an adsorbing agent-containing layer that is provided between said inner gas-barrier layer and said polyolefin inner layer, wherein said adsorbing agent is for adsorbing oxidized and decomposed products produced as a result of oxygen-absorbing reactions in the oxygen-absorbing layer. said gas-barrier layers and each comprise an ethylene-vinyl alcohol copolymer, said inner gas barrier layer is located on the inside of said oxygen-absorbing layer and said outer gas barrier layer is located on the outside of said oxygen-absorbing layer; said oxygen-absorbing layer comprises an oxygen-absorbing resin composition that contains the ethylene-vinyl alcohol copolymer and an oxidizing organic component; the thickness of the multilayered container at the thinnest portion is in a range of 360 to 50 μm; the total thickness of the inner gas-barrier layer, oxygen-absorbing layer and outer gas-barrier layer is in a range of 15 to 55 μ m; the thickness of the oxygen-absorbing layer is 3 to 45 μm; the total thickness of the inner gas-barrier layer and outer gas-barrier layer is 10 to 52 μm; the amount of oxygen absorbed after the heat-sterilization is not less than 23 cc per gram of the oxygen-absorbing resin composition; and an adsorbing agent is contained, on the side inside of said inner gas-barrier layer, (i) in said polyolefin inner layer or (ii) in an adsorbing agent-containing layer that is provided between said inner gas-barrier layer and said polyolefin inner layer, wherein said adsorbing agent is for adsorbing oxidized and decomposed products produced as a result of oxygen-absorbing reactions in the oxygen-absorbing layer.