Given that green human resource management has received much attention in recent years, the use of green HRM solutions in productive industries in developing countries can improve organizations' cleaner production capabilities and use of HRM as a strategy for maintaining competition in production. Two dimensions of green human capital and green relational capital from the dimensions of green intellectual capital have a significant impact on green human resource management practices. The purpose of this study was to investigate the effect of green intellectual capital on green human resource management (studied by Tehran Railway and Suburban Railway Company). This research is an applied purpose and a descriptive survey method. The statistical population of this study consists of all the official and operational staffs at the Tehran and Suburbs substations. Using Cochran formula, 368 people were selected as sample size. The data collection tool was a questionnaire which validity was confirmed by confirmatory factor analysis, and its reliability was confirmed by Cronbach's alpha coefficient. Pearson correlation and structural equations were used to analyze the collected data. The results show that all aspects of green intellectual capital such as green human capital, green structural capital and green relational capital affect green human resource management.