Abstract: Because the paperless examination has a lot of characteristics ,such as convenience for managing and maintaining questions, simplicity for organizing and implementing examination, impartiality for judging papers, fairness and accuracy for results of examination, it has been chosened for course examination by many schools. This paper researches the key issues of data storage in paperless examination system, designs a custom tag-based data storage solutions, and it is applied to paperless examination system. The system has the advantages of efficiency memory, good expansibility, fast response.It will be good application value.

Key words: Tag-storage, paperless examination, make paper on intelligence, judge paper online