Academic blogs provide new ways for scientific researchers to exchange and share knowledge. This pa- per uses methods of literature review and bibliometric analysis to analyze academic papers from SSCI and CNKI on this topic, and summarizes motivations for knowledge exchange and sharing in academic blogs and six main theories: Social Cognitive Theory, Social Exchange Theory, Social Capital Theory, Theory of Reasoned Action, Technology Acceptance Model, and Uses and Gratifications Theory. Furthermore, based on Social Capital Theory, Social Exch...