Lighting has become an indispensable part of human life and technology development. It helps us to work and study in dark environment, enjoy vibrant night cultural activities and also promote the development of life and related industries. Lighting technology has developed rapidly in the past two decades. It has changed from traditional light sources such as incandescent lamps, fluorescent lamps, energy-saving lamps to new LED lighting technology. Compared with traditional light sources, LED lighting has the advantages of high efficiency, energy saving, long life, easy installation, low maintenance and so on. The application of LED lighting products covers multiple areas such as home lighting, public lighting, commercial lighting and landscape lighting. LED lighting products not only have the advantages of energy saving, environmental protection and low carbon, but also integrate humanized design concept to create a comfortable and beautiful lighting environment. It not only brings new lighting effects to cities and buildings, but also makes people enjoy visual and psychological pleasure in the city leisure and entertainment activities. At present, LED lighting technology is increasingly accepted by the public. To truly promote the application of LED lighting technology, it is necessary to do a good job in energy-saving lighting reform, change people's rigid consumption concept, and enhance public awareness of energy saving and emission reduction. Such lighting reform and popularization will have far-reaching effects on people's living environment, energy structure and economy.