This driving assistance device acquires movement information indicating a first movement that a vehicle is caused to execute, the information obtained from an automatic driving control device that determines the movement of the vehicle in automatic driving. The driving assistance device acquires detection information, indicating detection results, from a detection unit that detects the status of the surroundings of the vehicle and the traveling state of the vehicle. The driving assistance device determines a second movement that can be executed in place of the first movement on the basis of the detection information. The driving assistance device generates a first image that represents the first movement and generates a second image that represents the second movement. The driving assistance device outputs the first image and the second image to a notification device so that the first image and the second image are displayed within a fixed field of view of the driver of the vehicle.