亚里士多德的传统修辞理论对语言的研究具有重要价值。本文从亚里士多德劝说的三种诉求手段——人品诉求(ethos)、情感诉求(pathos)和理性诉求(logos)来分析2014年美国国情咨文,看奥巴马是如何达到说服的目的的。研究发现,三种诉求手段贯穿于咨文中,对实现劝说起到了重要作用。本文对我们解读美国国情咨文具有重要意义,有助于我们了解美国的境况和美国政府的施政方针。 Aristotle’s traditional rhetorical theory is of great value to the study of language. This essay analyzes the 2014 U.S. State of the Union speech from the three appeals persuaded by Aristotle, ethos, pathos and logos, and see how Obama can achieve his goal of persuasion. . The study found that the three appeals methods throughout the State of the Union, has played an important role in the persuasion. This article is of great significance for us to interpret the U.S. State of the Union address and help us understand the current situation in the United States and the policy of the U.S. government.