A patient monitor device configured to display vital information of a living body includes: a display； and circuitry configured to individually display at least two types of the vital information of the living body on a plurality of display regions of the display. Each of the display regions includes: a numerical value display portion for displaying measured vital information of the living body as a numerical value； and a tab portion for notifying of completion of the measurement after the measurement of the vital information is completed, and tab portions of respective display regions are arranged in a line along an array of respective numerical value display portions.
