Based on the resource-based theory, this research analyzes the strategic group of electronic commerce industry according the resource advantage dimensions developed by previous literature. The findings include: The resource advantages in EC industry can be classified into four types: critical1y technique resource. human resources, marketing resource and relationship sources. ASP and ICP firms can be divided into four groups and they are significant different in their resources possessed, furthermore, performance are also different among four groups. Group of firms that owned technique resource performs outstandingly in ASP firms, but the performance of group that owned marketing resources is superior to other groups in ICP firms. This research provides further inferences and practical suggestions at last.