This article studies one kind face the user based on the B/S pattern online test system. This online test system mainly includes system's registration, the online test, grading, the system administration and the system examines test papers and so on functions, and this article host underwent the demand analysis, the preliminary design, the detailed design and the implementation, the test and so on several stages, conducts the research and the design to the online test system. This system's main feature is stabler than the traditional manual test performance, the online test system comments automatically reads, the scoring, the result to put on file the function to be possible to avoid the resources effectively the waste, is advantageous in the environmental protection, raises the working efficiency, and causes the test not the region time limit, simultaneously also enables the teaching resources to realize sharing in the most wide range.
KEYWORDS：Online test system，Automatic grading，The system examines test papers，Test break point record
