1、Applicability principle. This is in view of whether the automated logistics equipment has the ability to transport goods, including adaptability and practicality.

Logistics enterprises in the selection of automatic logistics equipment, the selected equipment should conform to the characteristics of the goods and the size of the freight volume, can operate flexibly and conveniently under different operating conditions, to fully consider the actual needs of logistics operations.Practicability involves the proper choice of equipment functions. The more functions of automatic logistics equipment, the better, because various functions are not needed in the actual operation. If the equipment can not be fully used, it will cause a waste of resources and funds.

2、The principle of advanced nature

The advancement here mainly refers to the advancement of automated logistics equipment technology, mainly reflected in the degree of automation, environmental protection, operating conditions and other aspects. But the advanced must serve the applicability, especially the practicality, to obtain the maximum economic benefits of logistics equipment.

3、 cost principle

Mainly refers to the cost of equipment, the whole life cycle cost. Sometimes there will be a contradiction between advanced nature and low cost, which requires logistics enterprises to make reasonable budget plans on the basis of full consideration of applicability, and can not give up the principle of adaptability and advanced nature because of budget constraints. By calculating their own capacity and future growth, calculate the investment back to the current cycle, comprehensive consideration, select the appropriate logistics automation equipment.