In Big Data era，television industry has conducted a comprehensive and in-depth reform. Firstly，the traditional survey system of audience rating was reformed. It not only expands the audience sample scale，but also creates an omni-media survey platform for audience ratings；Secondly，a revolutionary exploration has been made in the television news production in which visual measures and macroscopical data are used to interpret big events like the Two Sessions and transportation during the Spring Festival；Thirdly，Big Data also subverts the traditional production of television programs and dramas by being involved all the time；In addition，Big Data helps to precisely position audience’s needs for the accurate promotion.