The present invention relates to a light decoration for a light hung on a ceiling, which is a combination of a decorative member having various shapes and including a translucent plate having the shape of a convex lens at the bottom thereof, a split LED modules fixing plate accommodated in the decorative member, and a transparent diffusion member having a hemispherical shape and fastened to the top of the decorative member. The light decoration of the present invention can be easily assembled and disassembled by a customer or a worker, thereby improving convenience in a partial replacement work and a regular inspection of the components (the decorative member, split LED module fixing plate, and transparent diffusion member) constituting the light decoration. In addition, the light decoration of the present invention can illuminate intensively an area with diffuse light and indirectly illuminate around the light decoration softly, thereby improving the intensity of light and satisfaction of users. To this end, the light decoration of the present invention comprises a decorative member which includes a convex lens-shaped translucent plate fastened to the bottom thereof, and a first stepped unit and a second stepped unit provided in an accommodation space inside thereof; an LED module fixing plate which includes divided LED modules disposed on the top and bottom ends of a body disposed in the first stepped unit of the decorative member and separated from each other, and an electric wire entrance portion formed by cutting a side of the body; and a transparent diffusion member disposed in the second stepped unit of the decorative member and forming a hemispherical groove unit where the LED module on the top end is disposed.
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