The purpose of this study is to investigate the effect of customer satisfaction and customer loyalty with relational benefits on the Internet shopping mall. For the study, utilizing the convenient sampling method, the sample of study was composed of female and male adults aged between 20 and 30 living in Seoul metropolitan area who had experienced purchase of fashion products on the web. Of 350 distributed, 311 useful questionnaires were returned. The survey research design was employed with structured questionnaire. For data analysis, descriptive statistics, factor analysis, reliability analysis, cluster analysis and multiple- regression analysis were used. The results of this study are as follows: Psychological benefits had higher influence than other relational benefits(social benefits, customization benefits, economic benefits) on the both customer satisfaction and customer loyalty positively. There was a high relationship between the customer satisfaction and the customer loyalty. The customer satisfaction had a positive influence on the customer loyalty. And social benefits had the least influence among the sub-factors of relational benefits on the customer satisfaction. Also, customization benefits had the least influence among the sub-factors of relational benefits on the customer loyalty.