Recently, the influence and importance of the IT industry has been increasing. Retailing has been focusing on the functional retail sale of product. However, the needs of companies are focusing on the retail sectors due to the development of digital technology, diverse types of trends, recent trends in consumption patterns, the globalization of the retail market and liberalization of the market. This study examined the effects of IT shopping service quality on consumer's customer loyalty and satisfaction.The purpose of this study is to examine fashion brand's ideal IT shopping service quality on consumer perception and to identify service quality attributes on IT shopping service environment. Therefore, this study will be unable to identify how to improve the quality of IT shopping service and future effects. The research methods are as follow. In the 1st stage, previous advanced studies on fashion brands are explored. Based on this, archival data related to fashion brand are implemented. In the second stage, the first of in-depth interviews method (FGI) and survey are conducted by targeting experts of the fashion industry and customers as a form of survey research. The survey results from 300 college students suggest three dimensions of IT service quality: interaction quality, environmental quality, and outcome quality do have significant impacts on off line customer’s perceived value and loyalty. Both utilitarian and hedonic values are positively related to customer loyalty, and satisfaction. This study concludes with discussions of managerial implications and directions for future research. There is limited research on the domestic fashion retailer IT based shopping service quality measurement. (IT-based services that are not widely spread in Korea). This research will guide the importance of IT shopping service activities and highly recognized variables to consumers, circumstance variables, individual variables Lastly, the study is expected to provide useful information on brand strategy information and management for corporate’s expecting performance.