With the gradual popularization of the Internet, campus network construction has become more sophisticated, to the intelligent direction. Apart from that, the campus network security is growing importance, Design a very effective defense hacker attacks, viruses, data theft, and internal defense system is the focus of the study in this paper. This paper compared the firewall; IDS based on the integrated, then design of a campus network security model, and detail the specific implementation principle, methodology and the specific model implementation chart.