This article elaborated on-line shopping system's whole performance history emphatically. Introduced system's development environment as well as the development kit, have also made the comprehensive narration regarding the design concept and the design cycle, in database foundation between thought as well as each data sheet's aspects and so on concrete connection has also made the detailed explanation, and analyzed system each function to realize the process as well as the detailed design process specifically, during plan simple system function module chart's, made every effort to indicate clearly the design concept as well as and realized specifically to the entire programming's plan. acts according to the physical demand, on-line shopping system this project uses modular the design concept, in Windows under the XP operating system environment, builds JSP movement environment Tomcat , through uses the JAVA script language to complete dynamic, alternately