PROBLEM TO BE SOLVED: To provide a display device of a work vehicle which can more effectively transmit notification information to a worker to make the worker have more sense of crisis from a warning.SOLUTION: A display device of a work vehicle of the invention is a display device of a work vehicle which displays notification information of which a worker should be notified in driving a work vehicle. The display surface of the display device is provided with a plate surface, a pointer, and a measuring instrument having a matrix type display machine which can emit light. The plate surface and the pointer each have a light source which makes the plate surface and the pointer turn on or blink.SELECTED DRAWING: Figure 7COPYRIGHT: (C)2016,JPO&INPIT