Traditional paper-based test needs artificial participation from the preparatory work to the implementation of the exam, then to the evaluation, results analysis and results publishment. The whole process is time-consuming, laborious, and the test cost is larger.This paper uses the universal test system to realize paperless test. The core of the universal test system is the online examination module and the design idea and implementation method is directly related to the scientificalness and practicability of the test system. Through the application in the final exam of Foundation of Computer Application in several classes, the online examination module meets the expectation.