[Purpose/significance] This paper probed into the new countermeasures of enterprises’ patent competitive intelligence analysis under open innovation environment.[Method/process] Based on the method of literature analysis,the paper summarized the definitions,functions,features and processes of enterprises’ patent competitive intelligence analysis.Using methods of comparative analysis and case analysis,this paper expounded the supportive conditions and predicaments of enterprises’ patent competitive intelligence analysis,in the context of open innovation(compared to the closed innovation environment).[Result/conclusion] The paper put forward four countermeasures and suggestions,such as the transformation of the consciousness of patent competitive intelligence analysis,the organization of teams,the construction of analysis system and security system counted on patent anti-competitive intelligence analysis.