本文以内容分析为主要研究方法,搜集了《人民日报》2000-2011年以空气污染为主题的报道并对其进行分析,以获知《人民日报》在该议题上的报道变化趋势,解释这些趋势背后的影响因素,探究《人民日报》对该议题的报道特点以及存在的问题。接着结合议程设置理论、公共领域理论对环境报道的情况进行分析。最后在此基础上探讨媒体该如何发挥自身优势更好地进行环境传播。 This article takes content analysis as the main research method, collects and analyzes the report of People’s Daily on air pollution from 2000 to 2011 and analyzes it, in order to know the trend of the report of People’s Daily on this issue and explain these trends Behind the influencing factors, explore the “People’s Daily” coverage of the issue characteristics and problems. Then combined with agenda setting theory, public domain theory to analyze the situation of environmental reports. Finally, on this basis, we should explore how the media should give full play to its own advantages to better spread the environment.