DRIVE ASSIST DEVICE AND DRIVE ASSIST METHOD

A drive assist device includes: an acquisition unit that acquires a captured image from an on-board camera; a recognition unit that recognizes road information of roads around a host vehicle on the basis of the captured image; a determination unit that determines, on the basis of the road information recognized by the recognition unit, a priority relation between a present road in which the host vehicle is running and an intersecting road that meets the present road; and an assist unit that executes, in response to the determination unit determining that the present road does not have priority over the intersecting road, drive assistance for the host vehicle when the host vehicle enters a place where the present road meets the intersecting road.