Ceiling lamp is a kind of lamps. As the name implies, it is called a ceiling lamp because the top of the lamp is flat and the bottom is completely attached to the roof when it is installed. Light sources include ordinary white bulbs, fluorescent lamps, high-intensity gas discharge lamps, tungsten halogen lamps, light-emitting diodes and so on. At present, the most popular ceiling lamp on the market is LED ceiling lamp, which is often used in homes, offices, entertainment places and other places.