Indoor lighting is an important part of indoor environment design, indoor lighting design should be conducive to the safe and comfortable life of human activities. In people's life, light is not only the condition of indoor lighting, but also the basic element of expressing spatial form and creating environmental atmosphere. "There is no space without light," Gonna Berkeliz said. "The role of light is extremely important to people's visual function. Indoor natural light or lighting design in the function to meet the needs of people's various activities, but also pay attention to the lighting effect of space.