随着信息时代的到来,处在深刻转型时期的中国社会,各阶层、各群体均以自身利益诉求为出发点,表现出旺盛的信息需求。尤其是面对重大事件,公民意识和权利意识日渐成熟的公众信息行为成为一种不可忽视的力量。本文从马斯洛的需要层次理论出发,以议程设置理论为基础,运用了质化和量化相结合的方法,研究了在重庆打黑除恶行动进行并深入的过程中,政府、媒体与公众三大主体的议程互动情况,进而探讨了在重大事件中舆论导向需求的相关问题。 With the advent of the information age, all sectors and groups in China undergoing profound transformation have started their own interest demands and have demonstrated strong information needs. Especially in the face of major events, the public information and awareness of the growing awareness of public information act as a force can not be ignored. Based on Maslow’s theory of hierarchy of needs and based on agenda setting theory, this paper uses a combination of qualitative and quantitative methods to study the relationship between government and media and the public. The main agenda of the interaction, and then discussed the major issues in the direction of public opinion-related issues.