Lighting, the basic requirement of human activities, has become an indispensable part of people's daily life. It is the application of light to illuminate dark space, which is critical for us to carry out daily activities and has great influence on our lives. During the past few decades, lighting technology has gone through tremendous developments in creating different kinds of lighting systems to provide us more convenience and better lighting effect. The development of lighting technology has accelerated the development of electronic industry. To meet the requirements of energy saving and high efficiency, more and more efficient lighting systems are developed and applied. LED lighting system is one of the latest milestones in this industry. It is more efficient than traditional incandescent lamps, with longer life, less production of heat and radiation, and higher energy saving capabilities. Therefore, LED lights are widely used in many public places, such as streets, parks, shopping malls and stadiums. Besides LED lighting system, smart lighting is becoming more and more popular recently. Smart lighting is connected with network systems, which allows customers to control the lighting systems remotely or with Automatic motion sensors. This kind of technology can provide us with more convenience and better lighting effect. To conclude, with the development of modern science and technology, lighting technology is moving forward continuously and providing us more convenience and better experience with its superior performance.