A system for controlling a headlamp of a mobility device, comprising: a light source unit disposed at a front of the mobility device and including a plurality of light emitting elements; and a control unit configured to: receive environmental information of the mobility device, the environmental information including steering angle information of the mobility device and further including at least one of road surface information and road navigation information; and control, based on the received environmental information, the light source unit to change a relative position or range of a high luminance region within a predetermined light irradiation region of the light source unit; calculate, based on the steering angle information, a curvature of an expected movement route of the mobility device; calculate, based on at least one of the road surface information and road navigation information, a curvature of a road; and in response to the calculated curvature of the expected movement route being equal to or less than the calculated curvature of the road, set first to (n)th reference values for the calculated curvature of the road, wherein (n) is a positive integer greater than one, and the (i)th reference value increases as the integer (i) increases; compare the first to (n)th reference values with the calculated curvature of the road; and adjust the position of the high luminance region in stages based on results of the comparison. a light source unit disposed at a front of the mobility device and including a plurality of light emitting elements; and a control unit configured to: receive environmental information of the mobility device, the environmental information including steering angle information of the mobility device and further including at least one of road surface information and road navigation information; and control, based on the received environmental information, the light source unit to change a relative position or range of a high luminance region within a predetermined light irradiation region of the light source unit; calculate, based on the steering angle information, a curvature of an expected movement route of the mobility device; calculate, based on at least one of the road surface information and road navigation information, a curvature of a road; and in response to the calculated curvature of the expected movement route being equal to or less than the calculated curvature of the road, set first to (n)th reference values for the calculated curvature of the road, wherein (n) is a positive integer greater than one, and the (i)th reference value increases as the integer (i) increases; compare the first to (n)th reference values with the calculated curvature of the road; and adjust the position of the high luminance region in stages based on results of the comparison. receive environmental information of the mobility device, the environmental information including steering angle information of the mobility device and further including at least one of road surface information and road navigation information; and control, based on the received environmental information, the light source unit to change a relative position or range of a high luminance region within a predetermined light irradiation region of the light source unit; calculate, based on the steering angle information, a curvature of an expected movement route of the mobility device; calculate, based on at least one of the road surface information and road navigation information, a curvature of a road; and in response to the calculated curvature of the expected movement route being equal to or less than the calculated curvature of the road, set first to (n)th reference values for the calculated curvature of the road, wherein (n) is a positive integer greater than one, and the (i)th reference value increases as the integer (i) increases; compare the first to (n)th reference values with the calculated curvature of the road; and adjust the position of the high luminance region in stages based on results of the comparison.