An automatic analysis device for analyzing a sample automatically and determining concentrations of components contained in the sample, the device comprising: a reagent container mounting mechanism for mounting a plurality of reagent containers needed for measurement; a display unit; and a display controller for displaying, on the display unit, a list of all reagent-setting positions in the reagent container mounting mechanism, wherein the displayed reagent-setting positions are configured to change respective display colors based on information including a current residual amount of reagent of the respective reagent-setting position, characterised in that the display controller includes: an extended display controller (312A1) configured to display on the display unit in an enlarged format, a selected reagent-setting position belonging to the reagent-setting position list that the display controller has displayed, the display of the selected reagent-setting position being enlarged distinctly from display of other reagent-setting positions, and a movement controller (312A2) for selecting a reagent-setting position displayed next to the reagent-setting position being displayed in the enlarged format wherein the movement controller (312A2) is configured to display on the display unit a scroll button (512a, 512b) at both sides of the selected reagent-setting position displayed in the enlarged format in the reagent-setting position list by the extended display controller (312A1), the movement controller (312A2) further configured to display the scroll buttons (512a, 512b) in a size substantially equal to that of the selected reagent-setting position. a reagent container mounting mechanism for mounting a plurality of reagent containers needed for measurement; a display unit; and a display controller for displaying, on the display unit, a list of all reagent-setting positions in the reagent container mounting mechanism, wherein the displayed reagent-setting positions are configured to change respective display colors based on information including a current residual amount of reagent of the respective reagent-setting position, characterised in that the display controller includes: an extended display controller (312A1) configured to display on the display unit in an enlarged format, a selected reagent-setting position belonging to the reagent-setting position list that the display controller has displayed, the display of the selected reagent-setting position being enlarged distinctly from display of other reagent-setting positions, and a movement controller (312A2) for selecting a reagent-setting position displayed next to the reagent-setting position being displayed in the enlarged format wherein the movement controller (312A2) is configured to display on the display unit a scroll button (512a, 512b) at both sides of the selected reagent-setting position displayed in the enlarged format in the reagent-setting position list by the extended display controller (312A1), the movement controller (312A2) further configured to display the scroll buttons (512a, 512b) in a size substantially equal to that of the selected reagent-setting position. an extended display controller (312A1) configured to display on the display unit in an enlarged format, a selected reagent-setting position belonging to the reagent-setting position list that the display controller has displayed, the display of the selected reagent-setting position being enlarged distinctly from display of other reagent-setting positions, and a movement controller (312A2) for selecting a reagent-setting position displayed next to the reagent-setting position being displayed in the enlarged format wherein the movement controller (312A2) is configured to display on the display unit a scroll button (512a, 512b) at both sides of the selected reagent-setting position displayed in the enlarged format in the reagent-setting position list by the extended display controller (312A1), the movement controller (312A2) further configured to display the scroll buttons (512a, 512b) in a size substantially equal to that of the selected reagent-setting position.