公共信息是指政府为了保证社会的公共利益而用公共资金生产、收集并原则上公开利用的信息。政府部门、图书馆和科学研究部门是公共信息的主要拥有者。公共信息的公共产品性质决定了政府信息、图书馆信息资源以及科研成果信息都应向社会公众开放。政府应该在政策和立法上保证这种开放获取。 Public information refers to the government in order to ensure the public interest in public funds used to produce, collect and in principle publicly used information. Government departments, libraries and scientific research departments are the major owners of public information. The public product nature of public information determines that government information, library information resources and scientific research information should be open to the public. The government should guarantee this open access policy and legislation.