In this work, we have used knowledge visualization technologies to evaluate the global scientific production and trend of e-government research. It was found that the U.S. has the most cooperation, and its publication number and the centrality are now among the world's highest, while China has no large-scale domestic cooperation relations, and China's e-government research paper mainly come from the east and south part.. The hotspots of the egovernment research include the enhancement of egovernment cross-sectorial collaboration, the construction of e-government, the security infrastructure design of digital government in a complicated environment, while the performance evaluation has become the research frontier in this field.