广播直播节目在运行中，除需要主持人在直播间里主持节目外，还需要导播在导播间里掌管热线电话，使参与节目的听众通过热线电话与主持人或嘉宾直接交流。表面看来，导播的作用就是接电话和切电话，是连接听众与主持人的“空中桥梁”。实则不止如此，特别是在话题类节目运行中 In addition to the host being required to host the program in the studio, the broadcast live broadcast program also needs to direct the hotline in the broadcast room so that the audience participating in the program can directly communicate with the host or guest through the hotline. Apparently, the function of direct broadcasting is to answer the phone and cut the phone, which is the “air bridge” connecting the audience and the host. In fact, more than that, especially in the topic program running