PROBLEM TO BE SOLVED: To provide an information display device capable of easily switching display of biological information according to a passenger.SOLUTION: In a navigation device 1, a person discrimination part 2 discriminates a passenger on a vehicle, and a control part 4, based on a viewing permission information 5a in which whether or not biological information about one passenger is permitted to be viewed by another passenger is set, makes a display part 6 display the biological information about one passenger.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】搭乗者に応じて生体情報の表示を容易に切り替えることができる情報表示装置を提供する。【解決手段】ナビゲーション装置1において、人物識別部2で車両の搭乗者を識別し、制御部4が、一の搭乗者についての生体情報を他の搭乗者に閲覧を許可するか否かが設定された閲覧許可情報5aに基づいて、一の搭乗者についての生体情報を表示部6に表示させる。【選択図】図1