The objective of the study is to assess the impact of green supply chain management practices on the financial and non-financial efficiency of tourism enterprises in Hanoi, Vietnam. The study was conducted on 150 businesses in the tourism business directory of the Vietnam Tourism Association. The data collected was analyzed using SPSS and Smart PLS software and the results show that all the hypotheses were supported. Practicing green supply chain management in the tourism industry increases the company's competitive advantage, improves corporate reputation, especially improve environmental performance. While competitive advantage, good reputation and good environmental performance improve financial performance of these tourism enterprises. Finally, three mediate variables; namely competitive advantage, corporate reputation and environmental performance play a full mediate role in the relationship between green supply chain management and financial performance.