Method and system for controlling lane keeping

PURPOSE: A system for controlling lane keeping is provided to prevent vehicle separation from the lane according to the traffic condition. CONSTITUTION: A system for controlling lane keeping comprises: an information acquisition device(110) for acquiring lane information and vehicle information; an electronic control device(120) which sets vehicle trace based on the lane information and traffic information and generates steering torque map; and a steering device(130) for performing steering torque control according to the steering overlay torque value.