作为电视歌手比赛的代表性文本，“青歌赛”、“超级女声”和“中国好声音”的评委角色特点呈现出从权威性、精英化到平民化、娱乐化发展的整体趋势，本文从“青歌赛”、“超女”和“中国好声音”中电视评委角色演变的现象入手，研究不同文本背后电视场域的变化，试图通过对电视评委的话语分析，揭示不同文本语境下评委的角色特点和点评特征。借助布尔迪厄的场域理论，研究在政治资本和经济资本主导下的不同场域对电视评委的角色定位和点评的影响，探究电视评委角色转变的内在原因。

As representatives programs of singer talent show on television, the judges of CCTV young singer Grand Prix, Super Girl and the Voice of China all present the trend: ranging from authority and elite to civilian and entertainment. From the angle of changing role of judges on TV, the paper studies the change of TV field behind different texts. By the discourse analysis of television judges, the paper reveals characteristics of the role of judges in the context of text and the characteristics of their comments. Based on Bourdieu's field theory, the paper studies the effect of different fields on the role of judges and their comments which are dominated by the political capital and economic capital , thus exploring the inherent reason of the transition of role of judges on TV.