A manipulation monitoring device comprising: a first storage unit that stores screen information of a manipulation monitoring screen prepared for each manipulation monitoring area of a plant; a second storage unit that stores relevance information indicating connection relationship of the process elements constituting a process realized in the plant; a display unit that displays the manipulation monitoring screen according to the screen information, which has been stored in the first storage unit, as a first manipulation monitoring screen; a search unit that searches the first storage unit based on the relevance information, which has been stored in the second storage unit, to obtain screen information associated with the first manipulation monitoring screen displayed on the display unit; and a display control unit that performs display control to cause a second manipulation monitoring screen according to the screen information obtained by the search unit to be displayed on the display unit together with the first manipulation monitoring screen, characterized by an input unit that receives a manipulation instruction for the first manipulation monitoring screen; and a detection unit that detects a blank space area of the display unit in which the first manipulation monitoring screen becomes undisplayed, when a monitoring range is changed based on the manipulation instruction received by the input unit, wherein the search unit searches the first storage unit based on a detection result from the detection unit, as well as the relevance information, to obtain screen information associated with the first manipulation monitoring screen. a first storage unit that stores screen information of a manipulation monitoring screen prepared for each manipulation monitoring area of a plant; a second storage unit that stores relevance information indicating connection relationship of the process elements constituting a process realized in the plant; a display unit that displays the manipulation monitoring screen according to the screen information, which has been stored in the first storage unit, as a first manipulation monitoring screen; a search unit that searches the first storage unit based on the relevance information, which has been stored in the second storage unit, to obtain screen information associated with the first manipulation monitoring screen displayed on the display unit; and a display control unit that performs display control to cause a second manipulation monitoring screen according to the screen information obtained by the search unit to be displayed on the display unit together with the first manipulation monitoring screen, characterized by an input unit that receives a manipulation instruction for the first manipulation monitoring screen; and a detection unit that detects a blank space area of the display unit in which the first manipulation monitoring screen becomes undisplayed, when a monitoring range is changed based on the manipulation instruction received by the input unit, wherein the search unit searches the first storage unit based on a detection result from the detection unit, as well as the relevance information, to obtain screen information associated with the first manipulation monitoring screen.