Traditional examination by the teacher to choose, group, organization, after the examination, and then by the examination papers to correct, determine the results. Therefore, many factors, such as the standardization degree, the difficulty degree and the rationality of the evaluation, are more easily influenced by the subjective factors. And traditional examination group, organization, examination paper evaluation, performance analysis, test paper retained heavy workload big, such as task. In addition, the traditional test feedback ability is weak, embodied in an exam paper choose optional the gender is big, and the analysis of the results stay on average, pass the surface level. Some of the existing online examination system to achieve a paperless examination, But in the volume group, and result analysis, the basic is the same as the traditional way. This paper mainly discusses the key technology of the development of the intelligent test system, focusing on generating test paper algorithm design and achievement data mining algorithm for the analysis of the design, so as to improve the system test paper quality and performance analysis for teaching and learning in the future to provide detailed decision analysis.