媒体话语是大众用来建构头脑中现实世界的重要材料。主持人作为电子媒体的重要代言者,他们的话语总能更优先地介入受众的生活,其影响力不容忽视,但主持人话语影响力建构显然不能仅仅依靠大众媒体的先天优势。主持人的发声要想吸引更多的注意力、具有更强的影响力,就必须寻找到科学的路径与方法。本文试图从话语行为角度探讨主持人话语影响力建构与形成的行为基础和内在原因。 Media discourse is an important material used by the general public to construct the real world in the mind. As the important spokesman of electronic media, the host can always preferentially intervene in the audience’s life, whose influence can not be ignored. However, the influence of the host’s discourse can not obviously depend on the innate superiority of the mass media. Host’s voice in order to attract more attention, with more influence, we must find the path and method of science. This article tries to discuss the behavioral foundation and the internal reasons for the construction and formation of the influence of the host discourse from the perspective of discourse behavior.