This paper introduces the networking named content(NNC)which is hot topic in the field of the next generation Internet research all over the world. It illustrates one typical NNC scheme named CCN(content-centric networking),including the model architecture,main protocols,routing,security,as well as some evaluation results. Besides,it also introduces some other NNC schemes. In the end of this paper,we highly recommend China government should promote the similar research in China as soon as possible.