Provided are an information display apparatus and an information display method that are not affected by the state in which a vehicle is being driven, and provide a display of information that is easily noticeable but not obtrusive to a driver. The information display apparatus comprises an attention object detection unit (32) that detects information that should be displayed to the driver; a symbol image selection unit (33) that sets a symbol image to be displayed to the driver; an optical flow calculation unit (34a) that detects an optical flow of the view in the forward direction of the vehicle; a movement effect determination unit (35) that sets a movement effect to be given to the symbol image; a display image generation unit (36) that generates a display image which is formed by combining the symbol image with the movement effect given by the movement effect determining unit (35); and a display control unit (37) that displays the generated display image to the driver. The movement effect determining unit (35) changes the movement effect to be given to the symbol image in accordance with the state in which the vehicle is being driven.