[Purpose/significance] Based on the concept of "big culture", combined with the newly opened public digital culture service platform and main position - "national public culture cloud", to explore the establishment of a more effective overall coordination mechanism driven by the integration of science and technology. [Method/process] The coordinative role of cloud technology in organization and management, resource integration, coconstruction and sharing, cooperation and assistance in public digital cultural services was studied by using the method of network survey. [Result/conclusion] In the process of applying cloud technology to the coordination mechanism of public digital cultural services, it was found that the management legal system was not perfect, the scope of resource integration needed to be expanded, the lack of security guarantee for resource sharing, and the accuracy of cultural poverty alleviation needed to be improved. It was proposed to promote the construction of relevant management legal system, improve the cooperation of public digital cultural resources, and establish the security of resource sharing suggestions on the relevant coordination mechanisms such as security mechanism and dynamic matching of cultural poverty alleviation resources.