[Purpose/significance] Open innovation platform is an important window for enterprises to obtain external innovation resources. An in-depth understanding of the operational status of enterprise’s open innovation platform based on link analysis can help promote the sustainable development of enterprise’s innovation capability. [Method/process] This paper takes 12 open innovation platforms with high reputation at home and abroad as research objects and constructs a new network influence evaluation index system based on 8 link indicators,daily page viewer per visitor,and web page rankings. It uses Google search engines and website tools in chinaz. com to collect the link data of the platform and employs the entropy grey correlation analysis method to rank the influence of the 12 open innovation platform networks. [Result/conclusion]The research results show that the influence of the open innovation platforms of domestic and foreign enterprises needs to be improved and there is a long-tail effect. Compared with foreign countries,the overall network influence of China ’s existing open innovation platforms for enterprises is relatively backward. The strategies of optimizing the influence of the open innovation platform for enterprises,such as improving the platform structure,broadening the link channels,and creating innovation ecology are proposed.