A parking assisting apparatus is provided in which even a beginner can relaxedly park a vehicle and parking operation is pertinently assisted. The apparatus provides a cameras 1 for taking an image rearwardly of a vehicle during parking the vehicle. The image from the camera is displayed on a display 13 provided inside the vehicle as a rear image and a running prediction locus 20 is displayed which varies in accordance with the state of a steering wheel angle to overlap the rear image. A longitudinal line parking switch 4b instructs the vehicle to park along a longitudinal line and when the longitudinal line parking is instructed there is displayed a running prediction locus 20a having a point of inflection in accordance with the steering wheel angle.