For the first time, logistics was used to define logistics in 1935, when the American Marketing Association defined logistics as "logistics ", referring to the materials and services contained in sales, and the activities that accompanied the flow from production to consumption. During World War II, the United States used the term "logistics management" for the first time in its wartime supply to comprehensively manage the transportation and supply of weapons. Enterprise logistics refers to: including raw material circulation, product distribution, transportation, procurement and inventory control, warehousing, user services and other business activities. Its fields include raw material logistics, production logistics and sales logistics. From the 1950s to the 1970s, the term logistics is still widely used in Japan, called "mobile technology" and "logistics ", because people pay attention to logistics activities related to the sale of goods. The American Logistics Management Association (clm) transformed logistics into logistics in 1986. Among them clm defines logistics as: planning, implementing and controlling the flow and storage of raw materials, work-in-process and related information, from industrial sites to consumer sites,