For the sake of test presentation on Online language learning platform, in this paper, the idea of plug was studied and applied to the thought of the design process. Furthermore, on the basis of the plug, we propose a test design and presentation method, which was implemented on the ASP.NET MVC environment, and was successfully applied to foreign language learning easy cubic intelligence platform. Practice has proved that this method can solve questions diversification, providing a certain reference value for the design of the current online learning platform.