From the pursuit of green supply chain management, how to balance the company's strategy and environmental protection is the most important issue. This purpose of this study is to explore the antecedents and consequences of green supply chain management practices, the moderating effects between the relationship of green supply chain management practices and organizational performance. Based on data collected from 2000 large manufacturing firms in Taiwan, the researcher has come into the following conclusions. (1) Green supply chain management practices has a mediating effects on the relationship between the antecedents and consequences of green supply chain management practices; (2) IT has a substantial moderating effect in green supply chain management practices and organizational performance relationship.