In order to further strengthen the management and control of China’s petroleum energy logistics cost

and to enhance the competitiveness of our country’s petroleum enterprises in the international oil market

the influencing factors were divided into six parts

including product factors

mining factors

transportation factors

storage factors

distribution factors

and other factors. Then the hierarchical structures of these factors were analyzed with DEMATEL. And to analyses systemically the comprehensive influencing indexes of all the factors

which are the degree of reason and center

then find out the main factors from all the factors that influence the petroleum energy logistics and to improve them.