Abstract:China's digital economy has a large volume but lacks radiation capacity, and the digital transformation needs to be further deepened. The European Digital Innovation Hub is a representative strategy of digital transformation worldwide. Therefore, based on clarifying the definition and connotation of digital innovation hub, the service content, operation mechanism and development status of European Digital Innovation Hub are systematically analyzed. Taking three typical digital innovation hubs as examples, the paper summarizes their unique experiences, including paying attention to the developmental difficulties of small and medium-sized enterprises, forming a continuous and coordinated service system, building multi-agent and multi-level platforms and perfecting the layout of digital infrastructure. On this basis, the implications to China's digital innovation development is as follows: overall planning and layout guided by national strategic needs, establishment of cooperation mechanism based on digital innovation hubs, cultivation of ecosystem based on government-industry-university research collaboration, and promotion the growth of small and medium-sized enterprises with perfect services and facilities.