1. Determine the type and style of the restaurant: first of all, you need to clarify the type of restaurant, whether it is Chinese, Western, fast food or other types of dining. Then choose the appropriate design style according to the type of restaurant, such as modern, minimalist, retro, Chinese and so on.

2. Spatial layout: Reasonable planning of the spatial layout of the restaurant, including table placement, channel settings, kitchen location. The distance between the tables should be moderate to ensure that the customer's dining comfort. The channel should be spacious, so as to facilitate the waiter to send food and customers in and out. The kitchen location should be far away from the dining area to prevent fume pollution.

3. Lighting design: the lighting design of the restaurant should be soft, comfortable, creating a warm dining atmosphere. You can use chandeliers, wall lamps, floor lamps and other combinations of lamps to meet the needs of different scenes. At the same time, pay attention to the color temperature of the light to avoid too bright or too dark.

4. Color matching: the restaurant's color scheme should be harmonious and unified, you can use warm tones, cool tones or contrasting colors and other matching methods. Color selection should consider the overall style and atmosphere of the restaurant, as well as customer preferences.

5. Decorative elements: the decorative elements of the restaurant can enrich the sense of hierarchy and visual effect of the space. You can use hanging paintings, sculpture, floral art and other decorations to embellish. At the same time, pay attention to the location and number of decorative elements to avoid too much or too little, affecting the overall effect.

6. Ventilation and lighting: the restaurant should ensure good ventilation and lighting conditions to improve customer dining comfort. Windows or vents can be set up to increase air circulation. At the same time, lighting equipment should be rationally arranged to ensure adequate natural and artificial light.

7. Functional partition: According to the restaurant's business needs, a reasonable division of functional areas. Such as cashier area, pick-up area, cooking area, dishwashing area, etc., to ensure the coordination and convenience between the various functional areas.

8. Humanized design: In the design of the restaurant space, we should give full consideration to the needs and feelings of customers, to provide convenient service facilities. Such as setting up charging sockets, providing free Wi-Fi, setting up barrier-free access and so on.

In short, when designing the restaurant space, we should fully consider the type of restaurant, style, functional needs and other factors, to create a comfortable, beautiful and practical dining environment.