With the rapid development of technologies and quickening rhythms of modern life,informal learning has never been of such great importance.Hence,advantages of informal online learning communities become increasingly obvious in satisfying growing diversified needs of the society.With bibliographic co-occurrence and scientific knowledge map visualization analysis techniques,this article analyzes the literature of informal online learning community including CNKI-CAJD database,the excellent master's degree thesis database and doctoral dissertation database.The findings include: there have been pr...