In recent years, the growing concerns about the quality of the ecosystem, producers and enterprises that have led to increased interest in environmentalism and green consumers to have environmental consciousness have had to develop their green purchasing strategies. Green purchasing policies of the enterprises can play a role in increasing the efficiency of the product by decreasing the total life cycle costs, increasing the brand value, supporting the sustainability and providing a competitive advantage. In this context, green purchasing policies should be taken into account and they should review the purchasing strategies with traditionally neglected environmental impacts. In this context, the effect of the development of green purchasing strategies, which are important in terms of operational efficiency as well as environmental impact, on operational efficiency has been examined. In this frame, green products, green buying strategies and benefits, and the effects on the operational efficiency as well as environmental factors that can reshape supplier selection decisions and the role of strate green, purchases in reducing waste are discussed. Consequently, suggestions on legislative compliance, pollution prevention and resource recovery will improve operational efficiency of green purchasing strategies.