This study aims to analyze THE INFLUENCE OF GREEN MARKETING TO BRAND IMAGE AND THE IMPACT TO PURCHASING DECISION. The Subject of this study were students of Muhammadiyah University of Yogyakarta. In this study, 100 respondent were selected using convenience sampling from questionnaire. Analysys tool used in this study is the SPSS statictic. Based on the analysis that have been made the results Green Marketing positive and significantly influence to Brand Image, Green Marketing positive and significantly influence to Purchasing Decision, Brand Image positive and significantly influence to Purchasing Decision, and Green Marketing positive and significantly influence to Purchasing Decision that are mediated by Brand Image .