DRIVING SUPPORT DEVICE

A driving support device is provided which can estimate the line-of-sight of an occupant with high accuracy. A driving support device includes: a peripheral information acquisition unit which acquires peripheral information of the periphery of a vehicle ; a driver monitor camera which acquires occupant information related to the occupant of the vehicle ; an outside-world information detection unit which detects the outside-world information including the position and speed of the target in the surroundings of the vehicle based on the peripheral information; a line-of-sight estimation unit which estimates the line-of-sight of the occupant of the vehicle based on the occupant information; and a line-of-sight correction unit which corrects the estimated line-of-sight, based on the outside-world information detected by the outside-world information detection unit