This paper analyses the harm of network virus, and suggests some solutions to solve the problem.
Computer virus is usually divided into file mould virus , boot virus and compound virus . But now , we should add network virus in it . Network virus has wide host objects , high spread speed and high dangers . It destroys information and data communication in network by making full use of Internet and software BUG . Some network virus can be used by hacker . This paper analyses the harm of network virus, and suggests some solutions.