Abstract: Disclosed is a decoratively illuminating apparatus using a candle including a candle, a light transparent holder, and a light transparent accommodating seat held in the holder while accommodating the candle. The candle (100) includes a candle body (20), a flammable wick (30) fixed in the center of the candle body (20), and a light transmission line (40) arranged along the flammable wick around the center of the candle body and fixed such that a lower end of the light transmission line is exposed from the lower side of the candle body. The holder (200) includes a bore (210) formed in a top side (201) as a light radiating space, and a light radiating unit (260) having a photosensor (245) to detect light of the flammable wick (30) through the light transmission line (40) and a light source (222) electrically connected to the photosensor (245).