The Structure of China Education Network

China Education Network(CEN) is a subnet of World Wide Web. It is constructed by documents and their links of. edu.cn domain which contains 366422 documents with 540755 URLs in China Education and Research Network. By studying the structure of china education network, this paper researched the network's topologic structure, bow tie picture, connected components' structure in detail. The results can help us to understand the interesting properties of the network. It gives some new ideas to improve searching strategy and searching engine function.