Lighting, a kind of technological products, plays an important role in our daily life. It is used in many places, such as our home, offices, workshops, street and etc. The earliest lighting was developed from primitive torches, but with the development of technology, there are many different kinds of lighting nowadays. We can choose LED lighting, incandescent lighting, energy saving lighting, fluorescent lighting, halogen lighting and etc according to our needs. Different lighting can provide different patterns, brightness and colors. Lighting can increase security and decorate the environment. With good lighting arrangement, people can reduce the probability of accident in our homes. Besides, lighting can also bring artistic beauty, which improving living and working environment. Lighting has entered into huge parts of our life in various forms. There is no doubt that it is a wonderful technique to light up our world and increase its beauty.