In the environment of big data, government service is facing new challenges, but at the same time, it also come up for the opportunity of optimization and improvement. In order to better provide services for enterprise decision-making and promote the scientific development of government work, it is necessary to improve the quality of government affairs data. Therefore, for better catering for the demands of the times, it is necessary to analyze, process, judge and predict the information of government services with big data technology to optimize the government service model, and build a social governance model of co-construction, co-governance and sharing. Based on this, this paper explores how to better use big data technology to optimize government services, hoping to propose reference for relevant personnel and optimize the business environment.