Local government innovationisan important political phenomenon and a hot topic of theoretical study .Basedon Bibliometrics analysis ,Factor Analysis ,Cluster Analysis and Social Network Analysis , this paper analyzes the domestic research literatures on local government innovations . Research result reveals that four hot topics have been formed in the research field : the basic theory research on local government innovation , the local government innovation and government reform, local government innovations and government performance management , the motivation of local government innovation . According to the research result ,this paper then points out some likely frontiers of this research fieldin the future : the theory of government's innovation management , government innovation sustainability research ,the institutionalization of local government innovation and public service innovation research , which puts forward a framework on innovative public service and responsive public service after distinguishing dominant public demand andimplicit public demand .