Lighting is closely related to our lives. Without lighting, the night would be dark and people can't continue their activities. Lighting can not only bring illumination, but also bring life. Lighting is classified into two types: natural lighting and artificial lighting. Natural lighting refers to the lighting illuminated by the sun, moon, stars and other heavenly bodies, which is an infinite source of energy since ancient times. Artificial lighting is mainly powered by electricity, and it can make the interior brighter. Lighting cna also enhance the overall atmosphere of a space. For example, some people prefer the soft lighting which can adjust the brightness according to the environment, the color and the atmosphere of the space. Different colors of light can also highlight the contours of different objects. In addition, lighting can also beautify the environment. Some creative decorations can be decorated with a few lights, which can bring different levels to the decoration. In short, lighting plays an important role in our lives. Natural lighting is an inexhaustible source of energy and artificial lighting is powered by electricity. Lighting can also enhance the overall atmosphere, and help to beautify the environment.