The height design of restaurant pavement should consider the following points: 1. The space division of the restaurant should be reasonable, and the layout should be reasonable according to the functional requirements of the space. 2. The location and surface of the restaurant are alternately arranged in vertical or horizontal direction. 3. The interaction between the dining room and the living room should not be obvious, but should be close or natural and warm. 4. The dining room should not be too high or too low.