基于国内外媒体根据自我报道立场和报道话语对中国国家形象进行“自塑”与“他塑”的不同，本文以2022北京冬奥会中美代表媒体报道为研究对象，采用主题分析法，利用定性分析的思路从政治建构、外交关系、经济科技、文化魅力、体育实力、社会反响六大主题入手，根据每一部分两国的报道立场和报道内容进行主题下的子主题分析，从而对比研究中美两国就北京冬奥会的报道内容异同性，并就研究结论对国内媒体提升话语权提出相关建议。

Words based on the domestic and foreign media make "self-shaping" and "other-shaping" of China's national image according to their own reporting position and discourse,this paper takes the 2022 Beijing Olympics on behalf of the media coverage of China and the United States as the research object, using the method of theme, using the qualitative analysis of train of thought on construction of political and diplomatic relations, economic, science and technology, cultural charm, physical strength, social aspects of response, According to the reporting positions and content of each part of the two countries, the sub-theme analysis is made under the theme, so as to make a comparative study of the differences and similarities of the coverage content of the Beijing Winter Olympic Games between China and the United States, and put forward relevant suggestions for domestic media to enhance their discourse power based on the research conclusions.