On the basis of main content and the most important question to solve, first, the writer analyze world shaking transformations of media in abstract and practice in China through these 20 years. Principle media system has been formed, which assumes network trend and lie follow trend. Second, the writer analyzes the status of social responsibilities of media in China. Secularization trend and lowness trend accrete, news quality and seeking novelty complex, supervising function and irregularity interlace, undertaking culture and desert exist together. The reasons of them is that: the tropism of media value transforms from single to excessive; the function changes from single to excessive; worth tropism changes form mainbody to object. Finally, the writer establishes the principle of social responsibilities of China and performing mechanism.The writer studies this dissertation with theory of'from field imparlance to field separation', who researches lots of literatures and analyzes some cases. Writer analyzes the status of quo and the causes of formation. It stares us in the face that we should know the actuality of social responsibilities of media, and construct theory which adapts to China as soon as possible. |