Currently, online marking has been accounted for a large proportion of College Entrance Examination and in a similar marking of CECT4 and CECT 6 are also gradually use the online marking system. With the growing popularity of online marking system and the system of continuous improvement and enhance the performance of other types of examinations in the use of online marking has become a trend. This article on the online marking systems in the country's history and current situation are analyzed and explained the detailed process of marking the Internet and online marking system of basic functions. On this basis, the level of examination papers for computer system design and detailed analysis of today's popular SSH through the front extjs framework and technology to achieve the basic function scoring system.