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Understanding of reverse Logistics have narrow and broad sense. Narrow reverse logistics refers to waste products and substandard products processing , and generalized reverse logistics includes not only narrow reverse logistics , but also to reduce resource consumption , reduce waste pollution on the ecological environment , involving corporate procurement, production , sales, distribution , service, and the whole supply chain, each link .

目前，国内和发散逆向物流的定义并没有一个准确的定义，逆向物流。根据笔者的理解逆向物流概括为：反向物流供应链管理过程中，通过信息加工，配送和运输，制造等活动类的半成品，有问题的产品，将有一系列由消费者产生的废物产品，以“逆”的处理流程，目的是保护环境和节约资源。

At present , domestic and divergent definitions of reverse logistics did not make an accurate definition of reverse logistics . Based on the author 's understanding of the reverse logistics summarized as: reverse logistics supply chain management process, through information processing, distribution and transportation , manufacturing and other activities will be a series of class semi- finished products, the products in question , to the waste products produced by the Consumer to "reverse " the flow of the process , the purpose is to protect the environment and conserve resources.

逆向物流的回收和处理是一个复杂的过程。开始小的数目，种类繁多，通过连续流动起来，形成更大的规模，而处理废旧物资回收，重组，还需要很长的时间。这些都是决定逆向物流慢的特点。
Recycling and disposal of reverse logistics is a complex process. Start small number , variety, through continuous flow together to form a larger scale , while the processing of waste materials for recycling , restructuring , also takes a long time . These are decisions reverse logistics has the characteristics of slow .

Reverse Logistics hidden in every corner of society , is decentralized. In addition , reverse logistics in time, quantity , flow direction uncertain.

Recalled products entering the reverse logistics system is often difficult to draw , because people from different areas, different types of waste mixed together. In addition to the recovery of the use of resources , there are ways and means to deal with differences .

Since the dispersion of reverse logistics and consumer abuse of freedom of recovery policy is in the product recovery time and space there is a big difficulty, which led to its variability characteristics.

Reverse Logistics causes are many, mainly summarized as the following aspects.

A business anywhere in the world , as long as he produces tangible products , customer returns may encounter situations . Customer returns the result for many reasons , a common reason for the return are: product quality problems ; number of products and specifications and customer requirements there is a deviation ; dissatisfied customers to use ; logistics and delivery errors, etc. Because the prevalence of the phenomenon returned , it has become important causes of reverse logistics .

As businesses of the product recall , product life cycle ends and human causes premature end , wear parts replacement products , product upgrading and other reasons , will lead companies to recycle the product , so the product of recycling behavior has become reverse Logistics one of the important reasons .

Based on the purpose of environmental protection and resource conservation , more and more countries enacted various laws and regu