How to enhance the innovation ability of e commerce has become a core problem for its further development. There are a lot of shops around a university campus, and goods or services they provide often change quickly, and the goods and services provided have obviously the characteristics of spatial dependence. It is, therefore, very important to provide consumers the location information especially the location information on relevant map in time. While the traditional e commerce has failed to meet these requirements and then its application is limited. Taking the shops around Hunan university of science and technology as a case study，O2O e commerce model was adopted to research and develop the e commerce platform. At the same time， The computer technology and network technology were used，also geographical information technology was combined with the research had very strong pertinence and practical value. Through designing the campus O2O e commerce system based on geographic information service，the theory and application of e commerce system was largely enriched.