Fixing device of luminous body

The utility model belongs to the technical field of illuminant fixing, and relates to a fixing device of an illuminant. The utility model comprises a frame, wherein the frame is formed by sequentially connecting four edges end to end in a surrounding manner; a fixing assembly is fixedly arranged in each edge of the frame; and luminous bodies are fixedly arranged among the four fixing assemblies. The fixing assembly comprises a fixing plate, a fixing frame and a supporting frame. The section of the fixing frame is U-shaped, and an opening of the fixing frame deviates from the corresponding frame. The supporting frame is fixed in the fixing frame, the upper front side of the supporting frame is fixedly connected with one side of the light-emitting body, and a fourth elastic body is installed between the light-emitting body and the supporting frame. And the elastic bodies are arranged, so that multiple buffering effects are achieved, and when the device is extruded by the outside, the luminous bodies can be prot