Lighting plays an important role in life. It has become an indispensable part of life. It is very beneficial to people, not only providing illumination but also creating a wonderful lighting atmosphere. Firstly, modern lighting improves peoples living quality by providing bright and comfortable environments for them. Through modern lighting technology, people are able to enjoy warm and natural indoor quality lighting from outdoor natural lighting. Besides, modern lighting helps people to distinguish and eliminate darkness. People are able to do productive work like driving a car or going out for a walk because of the lighting. Secondly, modern lighting also can set off peoples mood by lighting up the living scenes. For instance, parties or weddings are more cheerful and exciting. On the other hand, modern lighting can help people to relax by reducing the stimulation accumulated during the day. Low-power lighting devices like table lamps can be used to dim the lights to create a comfortable space for people to take a break. Moreover, modern lighting can reduce energy costs. By using the latest energy-saving lighting technology and other lighting devices like LED bulbs, people can light up the space with much less electricity than traditional lighting. Furthermore, modern lighting has become more environmentally friendly. LED lighting can be operated with low pollution and has already become the popular choice among people. In conclusion, modern lighting greatly improves our lives by providing a bright and comfortable atmosphere, creating a wonderful environment, and reducing energy costs. Therefore, it has become an indispensable part of life.