PURPOSE: To ensure visibility on sides on right- or left-turning and enhance safety by preventing outgoing radiation of direct light dazzling a car and the like running in the opposite direction. and irradiating light in the side direction from a corner where an auxiliary head lamp for a vehicle is installed.

CONSTITUTION: An auxiliary headlamp 1 mounted in the corner of a car body has a light source bulb 15, a front lens 8, and a reflector 10 having a paraboloidal reflecting surface 22a, a shade 17 having a shading part 18 for shading light proceeding to portions other than the reflecting surface 11a from the light source bulb is installed, and a cut 22 is formed in a part of the shading part 18. Direct light is irradiated in the side direction on the corner side by passing through the cut 22 from the light source bulb.