With the increasing demand for efficient living in cities, more and more integrated commercial bodies have emerged in Chinese cities in the past two decades. However, the planning and design of the underground parking lot is not in line with the development of the complex. In view of the common problems of long driving and walking distance in the underground parking lot of comprehensive business, this paper first summarizes the layout characteristics of the integrated commercial body, and then establishes the parking lot partition model. By using the projection method, the partition is closely related to the functional area of the integrated commercial body and the size, location and shape of the partition are determined,in order to reduce the driving and walking time. Finally, the model was applied to a comprehensive commercial building case, and the effect of the model was verified.It is concluded that the zoning method in this paper can effectively shorten the driving time and walking time in the underground parking lot.

CICTP