fact operating goods stores do not do "unified procurement, unified distribution, unified billing," which allows mercial retail enterprises, "chain" seems to exist in name only. The other has been established in their own logistics and distribution centers or use third-party logistics distribution center modities mercial enterprises, the effectiveness of distribution centers has not been effective, which in turn affected the procurement cost of an integrated chain advantages, including outstanding manifested by the distribution center for goods distribution ratio of unity is very low. Uniform distribution logistics center can not be achieved, indicating the store'mercial enterprises "unified purchase" did not materialize, rather than a unified procurement chain has lost the core strengths.