A double-decker tube dispenser (A, B), comprising: a) a plurality of independent blood sampling tube stockers arranged in columns in a front to back length dimension and side to side in rows with a horizontal width dimension, for containing blood sampling tubes in a horizontal posture, respectively, wherein two blood sampling tube stockers are provided in the horizontal width dimension, and thus two columns; b) two first conveying means (27, 7), each of which is arranged below each of the independent blood sampling tube stockers of the respective column, configured to convey the blood sampling tubes dispensed from the plurality of independent blood sampling tube stockers of the respective column to a front end side of the respective first conveying means (27, 7); c) a second conveying means arranged at the front end side of the respective first conveying means (7, 27) in a direction orthogonal to the first conveying means (27, 7), configured to receive the blood sampling tubes conveyed by the first conveying means (7, 27) at the front end of the respective first conveying means (7, 27), d) the second conveying means is configured to transfer the received blood sampling tubes to a position corresponding to a slider that is provided at an end side of the second conveyor, and on a transportation path of the second conveyor; e) the slider being configured to push out the blood sampling tubes on the second conveyor in a direction orthogonal to the conveying direction of the second conveying means; f) and a label printing-and-pasting device (10, 21) arranged in proximity to the slider and configured to receive the blood sampling tubes pushed out, wherein the label printing-and-pasting device (10, 21) is positioned below one of the columns. a) a plurality of independent blood sampling tube stockers arranged in columns in a front to back length dimension and side to side in rows with a horizontal width dimension, for containing blood sampling tubes in a horizontal posture, respectively, wherein two blood sampling tube stockers are provided in the horizontal width dimension, and thus two columns; b) two first conveying means (27, 7), each of which is arranged below each of the independent blood sampling tube stockers of the respective column, configured to convey the blood sampling tubes dispensed from the plurality of independent blood sampling tube stockers of the respective column to a front end side of the respective first conveying means (27, 7); c) a second conveying means arranged at the front end side of the respective first conveying means (7, 27) in a direction orthogonal to the first conveying means (27, 7), configured to receive the blood sampling tubes conveyed by the first conveying means (7, 27) at the front end of the respective first conveying means (7, 27), d) the second conveying means is configured to transfer the received blood sampling tubes to a position corresponding to a slider that is provided at an end side of the second conveyor, and on a transportation path of the second conveyor; e) the slider being configured to push out the blood sampling tubes on the second conveyor in a direction orthogonal to the conveying direction of the second conveying means; f) and a label printing-and-pasting device (10, 21) arranged in proximity to the slider and configured to receive the blood sampling tubes pushed out, wherein the label printing-and-pasting device (10, 21) is positioned below one of the columns.