The present invention relates to a vehicle driving assisting apparatus comprising: a first camera including a first lens having a first view angle, and acquiring a first image of the front of a vehicle; a second camera including a second lens having a second view angle different from the first view angle, and acquiring a second image of the front of the vehicle; and a processor for detecting an object based on each of the first image and the second image, acquiring stereo images by respectively processing the first image and the second image, and performing a disparity calculation for the front of the vehicle based on the stereo image.