Improving the level of coordinated development of regional public cultural services can not only promote the equalization of public cultural services and improve service efficiency, but also help to promote the integration process of regional economy and society. At present, China's regional public cultural services have made some progress in policy support, cultural activities, interlibrary cooperation, cultural facilities and digital construction.However,it also face the difficulties of weak concept of synergy, serious cultural separation, lack of continuity of synergy, weak foundation of synergy and uncoordinated digital construction.In order to strengthen collaborative awareness, build collaborative guarantee,promote the co-construction and sharing of public cultural resources,and form a collective development effect of complementary advantages,the study proposes to improve the coordination mechanism, gather cultural consensus, extensively introduce social forces, generally improve service accessibility, build an integrated public cultural cloud platform, and clarify development positioning as a collaborative path.