A treatment luminaire includes: a first light source; a second light source; a hinge for adjusting a crossing angle between the light distribution axis of the first light source and the light distribution axis of the second light source; and a controller which switches, according to the crossing angle, operation modes of the first light source and the second light source between a normal mode for emitting illumination light for illuminating a surrounding area and a treatment mode for emitting treatment light for therapeutic use.