PROBLEM TO BE SOLVED: To realize a change of layout to a plurality of sub-screens displaying medical information by a simple operation.SOLUTION: When a medical information display device, in which a display screen is divided into a plurality of sub-screens and medical information is displayed for each of the sub-screens, accepts selection of a sub-screen to be operated and specifying of a position on the display screen by operation means for accepting an operation input by an operator, the display device determines operation content to a sub-screen to be operated and an arrangement area of a sub-screen to be operated corresponding to the specified position, and displays the sub-screen to be operated in the determined arrangement area. For example, when a sub-screen b is dragged, a mouse pointer MP is moved to the inside of a right-end region of a sub-screen a, and the sub-screen b is dropped, the sub-screen b is arranged on the right of the sub-screen a of a drop destination.SELECTED DRAWING: Figure 10
