Three buy-back contract mechanisms of supply chain are proposed in collaboration with return logistics cost burdened by retailers, suppliers or both parties.

This paper explored a single-period inventory problem with autonomous recovery return logistics faced by online retailing enterprises.

Design on information system of return logistics in Online Stores is crucial work that the effectiveness of return logistic of Online Stores.

The present situation of e-business s return logistics is analyzed in this paper;the relative studies about return policy and optimal price are reviewed.

Considering the total cost of goods and the quality cost caused by the purchasing process, this paper first defines the connation of purchasing cost of manufacturing enterprise,and then studies the methods to cut down the purchasing cost,through systematically re- searching the composing of purchasing cost,so as to increase.

customer buy direct goods from retailer,4PL act as return reverse logistics integrator,retailer form return reverse logistics alliance with 4PL and take dynamic combined price action in order to achieve best price decision,the Model provide theories basis for retailer carry on market need analysis and market price behavior decision and the best profits analysis in return reverse logistics.

On the module of logistics cost management using activity based costing;

Probe to Logistics Cost Management in Enterprises;