By introducing the concept of remanufacturing and reverse logistics,analyzing the reverse logistics of used products,designs three models for collecting such products:can collect them herself directly from the customers;can provide suitable incentives to an existing retailer(who already has a distribution channel)to induce the collection;or can subcontract the collection activity to a third party.And here it discusses about the kinds of ways in reclaiming,restoring and remanufacturing of the used product.The goal is to make all the members have maximal benefits.