每一种新媒介的出现都预示着与之相适应的媒介文化的诞生。主持人作为电子媒介发展到一定阶段的产物，成为当代媒介文化的特殊象征。尽管绝大多数节目须经导演、撰稿等多道程序的周密部署与安排，一个节目的成功往往是集体智慧和劳动的结晶，但电砚观众不可能看到幕后的工作者? The appearance of each new medium indicates the birth of the media culture that is compatible with it. As a product of the development of electronic media to a certain stage, the moderator has become a special symbol of contemporary media culture. Although the vast majority of programs are subject to the careful planning and arrangement of multiple programs such as directors ’and writers’ contributions, the success of one program is often the result of collective wisdom and labor. However, it is impossible for audiences of the TV station to see the workers behind the scenes.