An automated analysis system comprising: an automated analysis device configured to measure a sample; and a terminal device connected to the automated analysis device, characterized in that the terminal device includes: a display unit configured to display maintenance items of the automated analysis device; an operation unit configured to select, by a user, an item for executing maintenance from the maintenance items displayed on the display unit; and a control unit configured - to extract and determine one or more maintenance items that can be executed in parallel to the maintenance item previously selected by the operation unit based on a preset maintenance processing table, - to cause the display unit to display the one or more extracted maintenance items enabling the user to select one or more of the maintenance items by the operation unit which are executable in parallel to the previously selected maintenance item, and - to control the automated analysis device so that all maintenance items selected by the operation unit are executed in parallel. an automated analysis device configured to measure a sample; and a terminal device connected to the automated analysis device, characterized in that the terminal device includes: a display unit configured to display maintenance items of the automated analysis device; an operation unit configured to select, by a user, an item for executing maintenance from the maintenance items displayed on the display unit; and a control unit configured - to extract and determine one or more maintenance items that can be executed in parallel to the maintenance item previously selected by the operation unit based on a preset maintenance processing table, - to cause the display unit to display the one or more extracted maintenance items enabling the user to select one or more of the maintenance items by the operation unit which are executable in parallel to the previously selected maintenance item, and - to control the automated analysis device so that all maintenance items selected by the operation unit are executed in parallel. a display unit configured to display maintenance items of the automated analysis device; an operation unit configured to select, by a user, an item for executing maintenance from the maintenance items displayed on the display unit; and a control unit configured - to extract and determine one or more maintenance items that can be executed in parallel to the maintenance item previously selected by the operation unit based on a preset maintenance processing table, - to cause the display unit to display the one or more extracted maintenance items enabling the user to select one or more of the maintenance items by the operation unit which are executable in parallel to the previously selected maintenance item, and - to control the automated analysis device so that all maintenance items selected by the operation unit are executed in parallel. - to extract and determine one or more maintenance items that can be executed in parallel to the maintenance item previously selected by the operation unit based on a preset maintenance processing table, - to cause the display unit to display the one or more extracted maintenance items enabling the user to select one or more of the maintenance items by the operation unit which are executable in parallel to the previously selected maintenance item, and - to cause the display unit to display the one or more extracted maintenance items enabling the user to select one or more of the maintenance items by the operation unit which are executable in parallel to the previously selected maintenance item, and - to control the automated analysis device so that all maintenance items selected by the operation unit are executed in parallel.