[Purpose/significance] This paper aims to investigate barriers of public digital cultural resources integration, and provide reference to formulating strategies. [Method/process] It obtains the barriers factors from the existing research results. Then through the questionnaire, it analyses the recognition degree of public cultural services practitioners for barrier factors of public digital cultural resources integration. [Result/conclusion] By the investigation, it is concluded that the concept, policy, law, capital, management, standard, institutional will, and institutional capacity are the barriers of public digital cultural resources integration. The paper probes into countermeasures, including raising the awareness of the government and public cultural institutions, strengthening the targeted policy guarantee system, establishing a multifaceted management and coordination agency, expanding the channels of funding sources, speeding up the standardization construction and establishing a complete standard system, solving the problem of intellectual property right, raising participation willingness and strengthening capacity of public cultural institutions.