The utility model relates to a hanging device of long brilliant stove of sapphire relates to sapphire production and processing field, including couple, adjustable support bar, link and arc -shaped heating plate, the link includes two connecting pieces, and adjustable support bar connects two connecting pieces for the tensioning degree of adjusting the link, two connecting pieces upper ends are articulated through pin structure with the couple bottom, and the back is equipped with and is used for reinforced (rfd) tighten the bolts on the connecting axle, and arc -shaped heating plate be the arc, and tooth that the internal surface was equipped with evenly distributed is equipped with the layer board bottom and, the utility model discloses ensureing long brilliant stove from many aspects and placing stably at hanging device, guarantee the stability of processing environment, arc -shaped heating plate's arc design guarantees that the heating is even.