政府上网、电子政府及电子政务是政府信息化建设的重要举措和具体步骤。详细、系统地辨析政府上网、电子政府及电子政务的内涵、外延、特征、构成、功能和目标,对政府信息化建设有重要的理论和实践意义。 Government access to the Internet, e-government and e-government is an important measure of government information and concrete steps. Detailed and systematic analysis of the government’s Internet access, e-government and e-government connotation, denotation, features, composition, functions and objectives of the government information construction has important theoretical and practical significance.