形成于本世纪初的《西藏政策法》是美国近30年来涉藏政策的总结,也是当前美国国会和行政当局操纵“西藏问题”的纲领性文件。文章从中美建交以来美国介入“西藏问题”的历史出发,介绍了当前美国涉藏政策的形成过程,论述了美国《西藏政策法》的政策渊源;分析了《西藏政策法》的立法过程,指出《西藏政策法》是美国国会两院之间、政党之间妥协的产物;分析了《西藏政策法》的文本信息,对其中涉及的政策内容和机构授权进行了重点研究;对《西藏政策法》实施至今的绩效进行了评估,重点论述其对于中美关系的破坏性以及由于自身政策动机的不合理导致的不可完成性。 The Tibet Policy Law, formed at the beginning of this century, is the conclusion of the U.S. policy on Tibet in the past 30 years and the programmatic document that the U.S. Congress and the administration now manipulate “Tibet issue.” The article starts with the history of the involvement of the United States in Tibet since the establishment of diplomatic relations between China and the United States, introduces the formation process of the current U.S. policy on Tibet, discusses the policy origins of the Tibet Policy Act in the United States, analyzes the legislative process of the Tibet Policy Act , Pointing out that “Tibet Policy Law” is the product of the compromise between the two chambers of the United States Congress and the political parties; analyzes the text information of the “Tibet Policy Law” and focuses on the policy contents and agency authorization involved; Policy Act "has been evaluated to date, highlighting its devastating impact on the Sino-U.S. Relations and the inability to be completed due to the unreasonable motives of its own policies.