Now people on social housing increasingly high level of demand, housing has become a concern of the new consumer hot spots. In the event of the sale of each site will have the sales center, the sales centre not only to showcase the event of the image, but also embodies the corporate culture, reflects the company's business philosophy. House sales center is in interior design for the display of the spindle, it is a commercial space is also an exhibition space, design, interior design should not only on the meaning, significance, and other relevant factors for a deeper understanding of, but also Commercial exhibition space on the meaning of significance to do in-depth understanding of the need to always "people-oriented" as a guide the design of the main axis, the use of ergonomic principles, human-scale, regional activities, the psychological and interpersonal space And a series of data determine the scope of space. Therefore, based on human scale to determine their shape, scale: At the same time, people use such Zuoju and facilities must ensure that their activities around the left and use the smallest room. To the human scale, people make the most of the activities of the design. Key words: the sales center, commercial space, exhibition space