To provide a dressing room allowing the installation of a mirror having a large area by applying the constitution that a spatial part is formed between a wall and a suspended cupboard, and natural lighting is maintained via a reflector formed to change the angle of incident light and laid at the natural lighting opening of a wall backward of the suspended cupboard.

A vanity cabinet 1 is provided along a wall and a natural lighting opening 2 is provided at the upper part of the wall. The front of a wall 6 is concealed with a mirror 5, and a suspended cupboard and an under-cupboard light 4 are provided. A reflector 8 is provided between the suspended cupboard and the natural lighting opening 2, and fixed so that the upper end is positioned at the upper end of the natural lighting opening 2 and the lower end is positioned at a lower part backward of the suspended cupboard. The reflector 8 is a mirror, a plate painted white, or the like, and glass and a sash are used for the natural lighting opening 2. A Fresnel lens may be laid on the surface of the reflector 8. Also, a prism sheet for changing the direction of light may be pasted to the glass surface of the natural lighting opening, instead of the reflector 8. According to this construction, natural lighting becomes available even if no opening exists under the suspended cupboard 3. Also, a mirror having a large area can be provided behind the vanity cabinet 1.