Public safety data management is a new interdisciplinary research field. This paper analyzed the background of public safety data management firstly. Then relevant concepts and connotation of public safety data management were expounded from the perspective of researches about "data curation", "data management and stewardship" as well as "data governance". After that this paper summarized the main research contents of public safety data management and the critical questions which the researchers and practitioners will encounter in the public safety governance practices.