A pharmaceutical storage box to be stored in a pharmaceutical refrigerator and managed by a controller, the pharmaceutical storage box comprising: a storage portion to store a pharmaceutical, the pharmaceutical having an IC tag attached thereto; and an antenna configured to receive information of the IC tag; wherein the antenna is attached to at least one of a plurality of flat plates, the plurality of flat plates defining the storage portion; wherein the antenna includes a first antenna attached to a first flat plate among the plurality of flat plates defining the storage portion, and a second antenna attached to a second flat plate among the plurality of flat plates, the second flat plate being perpendicular to the first flat plate; wherein at least one of the plurality of flat plates defining the storage portion includes a member that shields radio waves; wherein the member that shields radio waves has an uneven shape on an inner surface facing the storage portion; wherein the antenna is attached to the at least one of the flat plates such that an antenna surface of the antenna on a side facing the storage portion does not protrude from a surface of the at least one of the flat plates on the side facing the storage portion; wherein the flat plate has a recessed part to which the antenna is attached; wherein the recessed part faces the storage portion and is recessed from the surface of the flat plate; wherein the depth of the recessed part from the surface is greater than the thickness of the antenna; wherein the antenna surface is exposed to the storage portion; wherein the shielding plate is a metal plate that reflects the radio waves transmitted from the antennas (220, 230); wherein the member that shields the radio waves is a shielding plate; wherein the shielding plate is attached to a surface, to which neither of the antennas (220, 230) is attached, of one of the side plates facing another side plate; wherein multiple small-diameter recesses are formed on a surface of the shielding plate facing one of the side plates; and wherein the recesses diffusely reflect the radio waves transmitted from the antennas (220, 230). a storage portion to store a pharmaceutical, the pharmaceutical having an IC tag attached thereto; and an antenna configured to receive information of the IC tag; wherein the antenna is attached to at least one of a plurality of flat plates, the plurality of flat plates defining the storage portion; wherein the antenna includes a first antenna attached to a first flat plate among the plurality of flat plates defining the storage portion, and a second antenna attached to a second flat plate among the plurality of flat plates, the second flat plate being perpendicular to the first flat plate; wherein at least one of the plurality of flat plates defining the storage portion includes a member that shields radio waves; wherein the member that shields radio waves has an uneven shape on an inner surface facing the storage portion; wherein the antenna is attached to the at least one of the flat plates such that an antenna surface of the antenna on a side facing the storage portion does not protrude from a surface of the at least one of the flat plates on the side facing the storage portion; wherein the flat plate has a recessed part to which the antenna is attached; wherein the recessed part faces the storage portion and is recessed from the surface of the flat plate; wherein the depth of the recessed part from the surface is greater than the thickness of the antenna; wherein the antenna surface is exposed to the storage portion; wherein the shielding plate is a metal plate that reflects the radio waves transmitted from the antennas (220, 230); wherein the member that shields the radio waves is a shielding plate; wherein the shielding plate is attached to a surface, to which neither of the antennas (220, 230) is attached, of one of the side plates facing another side plate; wherein multiple small-diameter recesses are formed on a surface of the shielding plate facing one of the side plates; and wherein the recesses diffusely reflect the radio waves transmitted from the antennas (220, 230).