Lighting plays an important role in our daily life. In a large sense, lighting can set the tone of life, not only in residential areas but also in commercial areas. The proper lighting can shape a comfortable atmosphere and enhance visual enjoyment, creating an ideal environment for leisure, work and entertainment. In order to make full use of the function of lighting, the colors and arrangement of lighting sources are also very important. For example, using yellow lighting can make people feel warm and comfortable; while using blue lighting can bring people a cool feeling. Besides, the arrangement of the lamps in the room can also affect the temperature of the room. According to experts, lamps in different directions can create different effects, which can significantly reduce energy consumption and ensure the comfort of the indoor environment. Not only that, quality lighting also can improve people's safety. In wet areas like bathrooms, adequate lighting can make people more vigilant and facilitate activities. In emergency situations, higher intensity lighting can help people maintain a certain level of security. Undoubtedly, lighting plays a significant role in our lives. With the development of science and technology, lighting has played a more and more important role in today's life, so it is necessary to make good use of lighting to create a comfortable living environment.