Abstract
In the Internet era, computer technology and data analysis technology have been widely applied to people’s work and their daily lives. Big data technology has brought great influence to public management, providing efficient and convenient public services and improving the ability to cope with crises of public opinion[1]. However, in the actual public management practice, there are widespread problems such as single practice model and poor data openness. Based on this, the article expounds the relevant contents of big data, introduces the role of big data in public management, and studies the public management innovation in the era of big data.