Abstract: Firstly， all the authors of articles about Internet technology classification in CNKI were complied， and a scientific collaboration network was established. The basic characteristics of the network were also analyzed by statistical methods. Then， empirical analysis was made by using the complex theory， and the results showed that this complex network has a nonconnected network characteristic of scalefree. At last， the characteristics of the network among five major internal connected networks were calculated， such as convergence factor， diameter and so on. It was found out that the characteristic of smallworld was presented. The results were useful in getting information on science and technology， agglomerating new thoughts and sharing research resources.

Key words: complex network, scientific collaboration network, scalefree, smallworld, Internet technology