The present invention relates to a vehicle driving assistance device and a vehicle having same. The vehicle driving assistance device according to an embodiment of the present invention comprises: a stereo camera; an interface unit exchanging data with at least one device inside a vehicle; and a processor performing lane detection for a first region in front of the vehicle based on a stereo image received from the stereo camera, and deducing lanes for a second region in front of the vehicle based on map information from an interface unit. Accordingly, the lanes in front of a vehicle can be perceived based on a captured image.