The volume of the Internet shopping mall business has made great increase over the recent years. In this paper, we study the interface of internet shopping malls and how it keeps their customers to come back on a regular basis. Chapter 2 tells you about the trade volume and market status of domestic eCommerce business. Chapter 3 explains some basic terminology such as usability, user interface. In the latter part of Chapter 3 we reviewed and analyzed famous overseas/domestic web assessment models, which are Selz & Schubert WA model, The Webby Awards, KMA's Internet Commerce Award and NCA(National Computerization Agency) report. Based on the study result so far, Chapter 4 introduces a new assessment model truly customized on internet shopping malls. In the Chapter 5, as a means of application of our model to an actual shopping mall, I analyzed CJmall' its weaknesses and strengths based on the standards suggested by the new model.
