作为世界性的体育赛事，历届奥运会都会引起各路媒体争相报道。奥运会已经成为进行文化传播的一个重要方式，不同的媒体在报道这一媒介事件时各有差异。本文从框架理论出发，选取两岸具有代表性的两份大报《人民日报》与《自由时报》进行内容分析和对比分析。通过比较两报在里约奥运报道中的主题框架、结构框架、话语框架三个层次的异同，选取典型个案进行对比，分析两报在里约奥运报道中的新闻框架，并探讨造成这种不同的原因。认识不同的政治立场、传媒体制和新闻理念等会造成媒体新闻框架不同的现象。同时，本研究期待对我国媒体未来的奥运报道提供一些借鉴意义。

As a worldwide sporting event, the Olympic Games have been covered by various media. The news media have different preference in reporting this event. Based on the news frame, two representative newspapers, People 's Daily and Liberty Times, are selected as research objects in this study. By comparing the similarities and differences in the typical cases in the Rio press reports in terms of the theme and structure and discourse framework, we can investigate the news frame of the two newspapers and explore the reasons for their difference. This exploration will help us understand the fact that the difference in political position, media system and philosophy of journalism could create diverse media news frame. Last but not least, it will be gratifying if this study could be used as a reference for future Chinese Olympic coverage.