Generally speaking, there are three main types of light in a restaurant: natural light; Direct lighting; Indirect lighting, in which indirect lighting and illumination light are the main lighting designs of restaurants and restaurants. Lighting must adapt to the business orientation, and different catering enterprises have different lighting design systems. Different countries have different moods and all need lighting to cooperate. The lighting of catering often evokes people's dining memories. If a western restaurant is brightly lit with red lanterns, people must think that it is not a western restaurant. This is the implied role of lighting in people's impressions. Therefore, the lighting design of restaurants should be consistent with people's traditional dining memories. Lighting is an important material element of restaurants. The function of lighting has a subtle connection with the taste and psychology of diners, and it is also closely related to the business positioning of catering enterprises. As a material language, the light source suitable for the positioning of catering enterprises can organically set off the personality and style of catering enterprises. Therefore, The lighting arrangement of catering enterprises is an integrated process, and the relationship between light and dark, light and shadow, reality and emptiness should be correctly handled. Catering enterprises should construct lighting systems artistically to mobilize the aesthetic psychology of diners, so as to achieve the unity of the beauty of diet and the beauty of the environment. The lighting arrangement of restaurants is completely different from the traditional habits in the past, but no matter how it changes, its core is based on the combination of lighting and business positioning, and the setting of lighting systems should be handled well. The ingenious relationship between \ "change \" and \ "unchanged \". Grasp the overall atmosphere of the restaurant, whether it is warm, romantic or quiet, and do a good job in the lighting design of the restaurant to make it more attractive.