An automatic analyzing device configured to analyze samples, the device comprising: a control unit configured to control analyzing operations; a display unit to be controlled by the control unit; and a storage unit configured to store data related to the samples, wherein the control unit is adapted to control to display a first sample list containing sample IDs and analysis states of the samples on a first display screen of the display unit in a selectable manner; characterized in that the control unit is adapted to control to highlight a sample selected from the first sample list, to display a menu display button for displaying a processing menu for the selected sample at an end of the selected sample, and to overlap and display, if the menu display button is pressed, options of the processing menu for the selected sample as menu buttons in a different window near the menu display button on a first display screen; wherein the control unit is further adapted to control when a particular one of the menu buttons of the processing menu has been selected on the first display screen, to display a second sample list containing sample IDs and analysis states of the selected sample and of samples on the same sample tracking in an enlarged display area on a second display screen in a selectable manner; to highlight a sample selected from the second sample list, to display a pop-up menu button for displaying a processing menu for the selected sample and a mark (581, 582) indicating a location of the selected sample on a pre-treatment disk in a pre-treatment disk display area on the second display screen; to overlap and display, if the pop-up menu button is pressed, options of the processing menu for the selected sample as menu buttons in a different window near the menu display button on the second display screen; and when a particular one of the menu buttons of the processing menu has been selected on the second display screen, to display the location of the selected sample on the pre-treatment disk and the analysis state of the selected sample in an enlarged pre-treatment disk display area on the second display screen. a control unit configured to control analyzing operations; a display unit to be controlled by the control unit; and a storage unit configured to store data related to the samples, wherein the control unit is adapted to control to display a first sample list containing sample IDs and analysis states of the samples on a first display screen of the display unit in a selectable manner; characterized in that the control unit is adapted to control to highlight a sample selected from the first sample list, to display a menu display button for displaying a processing menu for the selected sample at an end of the selected sample, and to overlap and display, if the menu display button is pressed, options of the processing menu for the selected sample as menu buttons in a different window near the menu display button on a first display screen; wherein the control unit is further adapted to control when a particular one of the menu buttons of the processing menu has been selected on the first display screen, to display a second sample list containing sample IDs and analysis states of the selected sample and of samples on the same sample tracking in an enlarged display area on a second display screen in a selectable manner; to highlight a sample selected from the second sample list, to display a pop-up menu button for displaying a processing menu for the selected sample and a mark (581, 582) indicating a location of the selected sample on a pre-treatment disk in a pre-treatment disk display area on the second display screen; to overlap and display, if the pop-up menu button is pressed, options of the processing menu for the selected sample as menu buttons in a different window near the menu display button on the second display screen; and when a particular one of the menu buttons of the processing menu has been selected on the second display screen, to display the location of the selected sample on the pre-treatment disk and the analysis state of the selected sample in an enlarged pre-treatment disk display area on the second display screen.