The rules and order of public spaces, designers need to find rules and order through design in irregularities, and add elements that fit the area according to each space to divide and break boundaries. In order to optimize the flow of people, designers design furniture with personality and artistic qualities. In order to buffer spatial relationships and increase the sense of spatial hierarchy. Color is also particularly important for the spatial atmosphere, as a good color environment creates a warm and harmonious home atmosphere. It is also conducive to forming a good mood.