To provide an obstacle information display device which always performs an appropriate display processing on an object and allows a driver to perform an avoiding operation on the safe side.

When a preceding vehicle exists between a present vehicle and the obstacle and it is judged that there is danger that the present vehicle hits the preceding vehicle (Yes in step S24) while display on the front obstacle is performed (step S16 and 26), display on the preceding vehicle important for the present vehicle is performed instead of display on the obstacle (step S28). The driver is urged to perform a brake operation.