With the growth of Internet technology，international communication based on social networks has been popular among more and more traditional media outlets for its high coverage and timeliness.Nowadays，an increasing number of Chinese media from central to local select to create accounts on overseas social networks and practice their international communication.However，the definition of such influence and the question about how to evaluate the international influence of such social network communication are still confusing.Based on the existing papers and media researches，this article proposes some core indicators to evaluate the international influence of media's international communication on social networks.