Since 2012, MOOC swept across the whole world, a lot of scholars join in MOOC research. The author uses CiteSpace to analyze the data from core database on web of science from 2012 to 2017, including co-word analysis and content analysis. The result of the study indicates that there are several hot spots in current research such as learning analysis, flipped classroom, and interactive learning. The scholars will continue to focus on course designs, learning behaviors and learning experience in the future, what will affect MOOC completion rate.