Logistics (English: Logistics) Chinese originates from Japanese and refers to freight, goods circulation, transmission and delivery. It is a folk term for logistics concepts in the military field. In the West, the word is derived from the Greek: λογιστικός, Logistikos, which means "numerical science" or "good calculation". "Logistics" is a management system that controls the transfer of raw materials, finished products, finished products or information between different departments of supply, demand, and warehousing through calculation and planning. "Logistics" may also be called "strategic logistics transportation" or "strategic transportation" for its ultimate purpose. The physical movement of material data from supplier to demander is an activity that creates time value, place value and certain processing value. Logistics refers to the physical movement of a material body from a supplier to a demander. It is composed of a series of economic activities that create time value and space value, including transportation, storage, distribution, packaging, loading and unloading, circulation processing and processing and many other basic activities. It is the unity of these activities.