Abstract: with the rapid development of catering industry, the design of catering space is becoming more and more important. With the development and progress of the times, restaurants should not only make customers satisfied with food taste, but also be satisfied visually, and make customers enjoy both visual and taste. The word atmosphere is highlighted in the restaurant space design. The main reason for creating atmosphere situation is lighting, and the function of light is very important. With the development of economy, people pay more and more attention to the demand of many aspects. This paper analyzes the application of light in catering space.