This study is a productivity review on the literature gleaned from SSCI, SCIE databases concerning knowledge transfer research in virtual contexts. The result indicates that the number of literature productions on this topic is still growing in recent years. The main research development country is the United States. And from the analysis of the subject area, communication is the most popular subject, then engineering, multidisciplinary, and management. Concerning source title, group decision and negotiation is in the priority. Moreover the research focuses are mainly theory model and empirical research; these typical references are analyzed in detail, including limitations and future research in this field.