A hologram illumination method for creating a colorful and fantastic atmosphere in the surroundings utilizing hologram reflection pattern light. An illuminator, e.g. a candle or a miniature bulb, is disposed substantially in the center of a frame cover having inner side face partially reflecting a hologram pattern such that hologram pattern light reflected through irradiation with the illuminator can be enjoyed on the opposite side. Alternatively, an illuminator, e.g. a candle or a miniature bulb, is located substantially in the center and a bottomless frame cover having inner side face partially reflecting a hologram pattern is disposed such that hologram pattern light reflected through irradiation with the illuminator can be enjoyed on the opposite side.