关键词: 物流外包, 第三方物流, 粗糙集, BP智能神经网络

Abstract: It is very important to select Third-Party Logistics（3PL，TPL） service provider in the outsourcing of logistics.So this article presents a comprehensive methodology for the selection of a logistic service provider.The proposed methodology consists of two parts：（1）Reduction（optimizing） the selection index system.（2）Establishment BP intelligent neural network.Thereafter，the application of the methodology for the final selection of a provider has been demonstrated through an illustrative example.The results of this example show the methodology is practically to select the 3PL service provider.In addition，this approach also enables the decision-makers to better understand the redundant relationships of the relevant index attributes in the decision-making，which may subsequently improve the reliability of the decision.

Key words: logistics outsourcing, Third-Party Logistics（3PL, TPL）, rough sets, BP intelligent neural network