To provide a washroom cabinet capable of attaining two purposes with the use of one illumination device, i.e., to raise workability when a user puts her makeup on and to obtain the excellent appearance of a space.

The washroom cabinet includes: a counter with a wash-basin arranged therein; and a mirror arranged by erection in the upper part of a depth side of the counter. A storage part arranged in the upper part of a depth side of the counter includes a lid and the illumination device. When the lid is opened, the illumination device directly illuminates the user positioned in front of the washroom cabinet. When the lid is closed, the illumination device illuminates the side of the counter in a state where a part of the illumination device is concealed from the user positioned in front of the washroom cabinet.