Nowadays, in a world that manufacturing enterprises are working under hard competition condition and produce. On the other hand, electronic chain supply management which is the result of using the internet in this kind of management has made the enterprises to evaluate the demands of costumes and helps them to reach their goals in a competitive atmosphere. In this way, enterprises do not pay attention to hazards of using different materials. The main purpose of this research is investigating the electronic chain management in a competitive atmosphere and the research shows that competitive pressure has a significant effect on the amount of acceptance of electronic chain supply management. Moreover, the positive and significant effect is observed in the acceptance of enterprises for electronic chain supply management for competing with competitors.