行政公开是美国二战以后行政的趋势,即公民对行政活动有知情的权利、了解的权利(the right of know)就是公民对行政机关的活动、档案、信息(information)有了解的权利。当然,行政公开并非没有限制什么都可以公开,如涉及国防上的机密则不公开.美国有关行政公开的法律主要有:《情报自由法》(The Freedom of Information Act)、《阳光下的政府法》(the Sunshine Act)、和《会议公开法》(The Advisory Committee Act)。限于篇幅,本文重点介绍美国情报自由法。 Administrative openness is the trend of U.S. administration after World War II, in which citizens have the right to know about administrative activities. The right of know is the citizen’s right to understand the activities, files and information of the executive. Of course, the administrative openness is not unlimited without any openness, if the national defense related to the confidentiality is not open.American laws on administrative openness are: “Freedom of Information Act” (the Freedom of Information Act), "the government law under the sun The Sunshine Act, and the Advisory Committee Act. Due to space limitations, this article focuses on the United States intelligence freedom law.