Lighting plays a very important role in everyone's life. As an important part of people's daily life, it not only illuminates the darkness but also improves life quality and creates a good atmosphere. There are many kinds of lighting in our daily life, such as natural light, electric light, fluorescent lamp, LED lamp, etc. Natural light is the most abundant and best possible light source. It provides sufficient sunlight for people to work, study, play, rest, etc. Apart from natural light, electric light is indispensable in our daily life. It is widely used in residential and commercial buildings to provide illumination. Fluorescent lamp has many advantages, such as energy saving, low price and long service life. LED lamp is the best lighting source in terms of energy efficiency and environmental protection. Good lighting is essential for safety and security. In many places, bad lighting can make people feel uneasy or dangerous. Good lighting can make the environment more comfortable and reduce the number of accidents. Lighting is an important part of modern life. We must pay attention to the scientific use and reasonable installation of various lighting, so that people can enjoy a good lighting environment.