An object is to provide a showcase provided with an illumination device capable of simplifying maintenance operability and effectively illuminating the inside of a display chamber, and the showcase in which the display chamber constituted in a main body is illuminated by the illumination device, the illumination device is constituted of an LED illumination member including LED elements, and a pair of holding members which are attached to a reflective plate on a canopy in the main body to hold the LED illumination member, whereby the irradiation angle of light from the LED illumination member is changeable.