[Purpose/significance] Data governance provides the foundation for realizing the transformation of public security governance mode driven by big data. Constructing the public security data governance system which reveals the domain specificity and sensitivity contributes to instructing the researches and practices of relevant data gover? nance activities.[Method/process] This paper traces back the source of public security data governance concept first? ly. Then using the representative works of literature, it analyzes the contents and connotation about five critical ele? ments of public security data governance, which are the solving problem, governance subject, object, tool, and objec? tive. Finally, the logical framework of data governance system covering multiple elements and different dimensions is constructed. [Result/conclusion] The logical framework takes data flow as the connection point to highlight the knowl? edge integration between disciplines. The key issues of public security data governance include the construction of ap? plication context, data resource system, subject decision-making mechanism, and the selection of governance tools.