摘要： 《1934年互惠贸易协定法》的通过是美国贸易政策与立法发生重大转变的标志。“1934年体制”导致美国《联邦宪法》中由国会主导的贸易政策规制体制真正开始向由国会与总统共享决策体制的过渡完成。其中所涉及的深刻的国际与国内政治一经济背景是解读这一体制的关键所在。审视这一体制并廓清其中所含的法律机理，有助于我们深入剖析美国贸易政策的历史流变，其影响表现在对美国国内贸易政策与国际贸易体制两个层面。

Abstract: The passing of THe Reciprocal Trade Agreements Act of 1934 serves as a symbol of drastic changeof American trade policy and legislation．The system of 1934’makes the shift from the Congress—oriented trade policyDower system to the decision—making system shared bv the Congress and the President within the Constitution．The profound international and domestic political—economic backgrounds are the key to understanding the system．Studying it anddisclosing its jurisprudence helps conduct a in—depth analysis of historical evolution of American trade policy and its effects which are reflected at domestic trade policy level and international trading system level．

Key words: Trade Policy；the Congress and the President；Decision&mdash, making System