With the rapid development of the technology in information era,the network evidence is emerging widely,the exclusionary rule of network illegally obtained evidence also has the practical value. The reasons why internet exclusionary rule of illegally obtained evidence should be constructed lie in the fact that internet evidences are applied more and more widely in the information era,it is difficult to implement admissibility judgment for the network evidence according to the traditional exclusionary rule of illegal evidence. For the concrete construction of the internet exclusionary rule of i...