<p>The present invention provides a parking assist device (10A, 10B) for assisting a driver to parallel-park an own vehicle in a parking space adjacent to a parked vehicle. The parking assist device includes an inclination angle calculation unit (46A, 46B) configured to calculate an inclination angle ¸ of a moving direction of the own vehicle with respect to a side of the parked vehicle; and a steering assist unit (42A, 42B) configured to perform steering assistance such that the inclination angle ¸ calculated by the inclination angle calculation unit (46A, 46B) becomes zero.</p>
