In order to make better utilize the spatial structure, the commercial building industry began to shift to the direction of comprehensive building, so as to improve the scale and intensity of commercial buildings. However, how to ensure the safety and functional demand of the building structure in the process, it is also necessary for commercial building units to strengthen the design and implementation of weaknesses and intelligent facilities, and to analyze the subsystem comprehensively, so as to effectively improve the design level and ensure the effective play of the functions of commercial building structures.