First, logistics means to satisfy the needs of customers, with the lowest cost, transportation, storage and distribution by means such as raw materials, semi-finished products, achieve correlative information, products or by the location to commodities consumption to the planning, implementation and management of the whole process of an object that logistics is the transportation, distribution, storage, packaging, transportation and handling, circulation processing, and related logistic information such as link form. The logistics activity concrete contents include the following aspects: the user service, the demand forecast, order processing, distribution and inventory control, transportation, warehouse management, factories and warehouse layout and location, handling handling, procurement, packaging, intelligence information. Second: in our national standard "the definition of logistics term" points out that: logistics is from supplier to receive items to entity according to actual needs, flow process, transportation, storage, loading and unloading, handling, carrying, packaging, circulation processing, distribution and information processing basic functions implementing the organic union. Third: the "content" of logistics is the material material world along with material object characteristics and can carry out physical displacement of that part of material goods, "flow" is physical sports, this movement has its limit, that is in the earth the meaning of relative to the earth, for reference and happen physical exercise, called "displacement", flow can range is ground rational large area, also can be in the same regional logistics And the same environment the micro motion, on a small scale, "the thing" and displacement of the combination of "flow", is an established on the basis of the natural movement, the senior forms of exercise is connected with each other in economic purpose and material between, between the military purposes and material, even in a social purpose and physical, looking for the movement rule between. Therefore, logistics is not only under the condition of the limit "the thing" and "flow" combination, but more important is, is limited to military, economic and social conditions, the combination from the military, economic and social Angle to observe things transportation, and achieve some military, economic, and social demands.