The fusion of Internet and education causes rapid growth of education data. The time of educational big data is coming. This paper analyzes big data based e-learning evaluation, summarizes the features of process evaluation in e-learning, discusses the content of e-learning process evaluation, and designs a process evaluation system for e-learning under the background of big data. At last, the paper gives the working process of the system. The research can provide beneficial reference for e-learning evaluation, and make contribution...