【正文】 om the separation of the cost structure. Manufacturing enterprises with the expansion of marketing services to participate in any degree of depth, would give rise to a substantial increase in costs, only the use of professional services provided by public services, in order to minimize additional losses. University of Tennessee in accordance with the United States, United Kingdom and the United States EXEL pany EMST amp。s a certain aspects of the problem and want to all of the factors affecting the analysis and evaluation. From this idea of the logistics system is not simply the pursuit of their own in various areas of the lowest cost, because the logistics of the link between the benefits of mutual influence, the tendency of mutual constraints, there is the turn of the relationship between vulnerability. For example, too much emphasis on packaging materials savings, it could cause damage because of their easy to transport and handling costs increased. Therefore, the systems approach stresses the need to carry out the total cost analysis, and to avoid the second best effect and weigh the cost of the analysis, so as to achieve the lowest cost, while meeting the established level of customer se rvice purposes. Third, China39。s generally low level of awareness, lack of awareness of enterprise supply chain management in the enterprise of the great role in the petition. 3, fear of losing controlAs a result of the implementation of supply chain panies in enhancing the petitiveness of the important role that many panies would rather have a small but plete logistics department and they do not prefer these functions will be handed over to others, the main reasons it is worried that if they lose the internal logistics capabilities, customers will be exchanges and overreliance on other thirdparty logistics panies.4, the logistics outsourcing has its own plexitySupply chain logistics business and panies are usually other services, such as finance, marketing or production of integrated logistics outsourcing itself with plexity. On a number of practical business, including the integration of transport and storage may lead to organizational, administrative and implementation problems. In addition, the pany39。s business and corporate supply chain operational capability, is usually not considered to be internal to the external public information, it is difficult to accurately pare the interpany supply chain operational capability. Although some manufacturers have been aware of the use of thirdparty logistics panies can bring a lot of good things, but in practical applications are often divided into several steps, at the same time choose a number of logistics service providers as partners in order to avoid the business by a logistics service providers brought about by dependence.Fourth, China39。s thirdparty logistics panies in the development of the problems encount