Air pollution is increasing every moment and environmental issues have got more and more important as countries in recent years have become industrialized, and because of that, green supply chain management (GSCM) or considering environmental issues in the whole supply chain is now of serious interest and many factories tend to make use of this issue. With regard to the importance of this subject, in the present study and after reviewing the literature, using interpretational structural model (ISM), 8 of the most important effective actions on GSCM were recognized and prioritized. In terms of goal, the present study is applicable and its method is descriptive (Applications and Survey). The population consists of 8 of the experts in the petrochemical industry from 8 different companies and the sampling method was goal oriented sampling (Purposive Sampling). After recognizing the most important and effective actions on GSCM, they were prioritized using ISM and it turned out that: internal environmental management ranked and reverse logistic first level, green supplier and green purchase ranked second, green designing and cooperation with customers ranked third, return on investment (Return Investment) fourth and green innovation ranked fifth.