A vehicle headlight capable of obtaining a plurality of light distribution patterns (LP, HP), the vehicle headlight comprising: a light source that emits light; a reflector that reflects the light emitted by the light source; a projection lens that projects the light reflected by the reflector forward of a vehicle; a shade that forms the light traveling to the projection lens from the reflector into a plurality of light beams that form the plurality of light distribution patterns (LP, HP); a spring and a driving unit, configured to move the shade to a plurality of positions corresponding to the light beams, the driving unit including an attaching portion, and a first contact surface and a second contact surface that are substantially orthogonal to each other; a frame that includes a receiving portion, a first contact receiving surface, and a second contact receiving surface, wherein the attaching portion is attached to the receiving portion for attaching the driving unit to the frame in an attaching direction, characterised in that the first contact receiving surface is configured to position the driving unit in a first positioning direction that intersects with the attaching direction in which the driving unit is attached to the frame by being in contact with the first contact surface, the second contact receiving surface is configured to position the driving unit in a second positioning direction that intersects with the attaching direction and is substantially orthogonal to the first positioning direction being in contact with the second contact surface; and an attaching member is configured for attaching the attaching portion to the receiving portion in the attaching direction. a light source that emits light; a reflector that reflects the light emitted by the light source; a projection lens that projects the light reflected by the reflector forward of a vehicle; a shade that forms the light traveling to the projection lens from the reflector into a plurality of light beams that form the plurality of light distribution patterns (LP, HP); a spring and a driving unit, configured to move the shade to a plurality of positions corresponding to the light beams, the driving unit including an attaching portion, and a first contact surface and a second contact surface that are substantially orthogonal to each other; a frame that includes a receiving portion, a first contact receiving surface, and a second contact receiving surface, wherein the attaching portion is attached to the receiving portion for attaching the driving unit to the frame in an attaching direction, characterised in that the first contact receiving surface is configured to position the driving unit in a first positioning direction that intersects with the attaching direction in which the driving unit is attached to the frame by being in contact with the first contact surface, the second contact receiving surface is configured to position the driving unit in a second positioning direction that intersects with the attaching direction and is substantially orthogonal to the first positioning direction being in contact with the second contact surface; and an attaching member is configured for attaching the attaching portion to the receiving portion in the attaching direction.