中文摘要：

第四方物流的运作过程中，参与的企业多、物流任务多而复杂、各企业的文化差异等因素增加了物流任务完成的不确定性。为了使物流环节在时间和地理上精确配合，实现准时无缝连接、降低物流成本、提高物流服务水平，第四方物流需要对物流过程进行全面协调管理。本文首先分析了第四方物流协调的必要性，然后分析了第四方物流的协调机制，最后建立了基于MAS的第四方物流层次协调模型。

英文摘要：

Through the Fourth Party Logistics＇ operation process, there are many factors： namely too many complex logistics tasks, too many logistics enterprises participating in the process, the cultural differences among the enterprises and etc., which increase the uncertainty on the logistics tasks. In order to match the logistics nodes accurately, to realize the seamless connection punctually and to decrease the cost and enhance service level, the Fourth Party Logistics should coordinate the relationship among the organizations arid control the whole logistics process. First we analyze the necessity of coordination, then give out some efficient coordination mechanism, finally we construct the coordination model based on MAS which can be a guide to the Fourth Party Logistics.