Lighting is essential in modern life. The invention and development of electricity has brought light into people's lives and created a world full of colors. The invention of lighting not only provides us light but also brings a whole new range of possibilities. With the help of lights, people can enjoy movies, read books, work, party and whatever they want in the nightly darkness. Lighting is not only used for daily activities but also it is widely used in decorations, like creating silhouettes, reflections, and dazzles. Different types of lighting technologies are used for different needs and different lighting effects. In the past, people used incandescent bulbs or fluorescent tubes for lighting, but now LED lights are more popular due to their efficiency and long life. Moreover, smart lighting is a hot topic now. The combination of lighting technology and the internet of things is creating a bright future for light. With the ability to be controlled remotely and light sensor which can detect people's presence, light can be regulated automatically and intelligently for efficiency and convenience. To sum up, lighting has become part of our lives and will certainly keep changing and improving the quality of our lives in the future.