Since 1953 NHK started TV broadcasting. It has a 40 year history in broadcasting. Both the public NHK and private system have together made a great contribution, especially in the improvement of the technical field. TV must face a lot of challenges in the birth of new media.Mass media plays a big role in all aspects of the new media, which is a new problem. From this process, we can learn about technical development, management theory and, broadcasting policies during the changing periods, which is something worth thinking about.