Abstract:Networking of innovation is an important feature of enterprise innovation in the era of knowledge economy. Strengthening research on innovation network has important guiding significance for guiding enterprise innovation. Focusing on the topic of the current situation and trend of foreign innovation network research, this paper takes wos database as the literature source, and analyzes the research of foreign innovation network from four aspects: concept connotation, research status, research topic and research trend by combing sample literature with knowledge map analysis, LDA topic model and CARROT2 clustering. The conclusions are as follows: (1) The concept of innovation network has rich connotation, and scholars have interpreted it from multiple perspectives; (2) The number of papers in the innovation network field is increasing, showing a rapid upward trend, and core research forces have been formed. (3) Seven types of networks, including the enterprise innovation network, technology innovation network, supply innovation network, and agricultural innovation network, are most concerned by scholars. The impact of network attributes, knowledge and learning, network evolution, innovation process, and external environment on the innovation network or innovation is the important research topics. In terms of academic orientation, most of the existing researches are application-oriented ones, with few theoretical innovations; (4)Through the analysis of CARROT2 clustering and keyword emergence method, it is found that six sub topics in the three sub fields of innovation network research, such as network governance and knowledge network, will still be hot topics in this field for a period of time in the future.