With the rapid development of marked economy and the constant progress of the society，many problems appear in the development process of Chinese public broadcasting. The key one is the ideWi}y crisis of public broadcasting in China. Public broadcasting has always been changing ids identity when playing with national policy， marked rule and broadcasting technology，resuhing in failing to adapt to the environment and stick to ids nonprofit publicity. In order to get out of the dilemma，a set of strategies mush be implemented，including theory constructing，national policy reform and broadcasting technology convergence.