Nowadays computerized tests not only solve time problems, but also prevent human interference in the assessment process. In addition, the tests collected in the database will be updated over the years and improve in quality. There exist many problems in written examinations, such as complex exam procedures and prone errors. With the rapid development of the era of computer application, network technology becomes more mature and improve examination quality, which facilitates students to participate in exams and feel the justice, notarization and openness [1]. This paper is described a comparative analysis of modern testing systems is presented and a new testing system is proposed.