随着企业规模的不断扩大，其分支机构的不断扩展，企业网络架构也变得更加复杂，面对着各种安全威胁问题。本文首先介绍了当前企业网络环境的基本情况，从企业信息系统需求入手，介绍了当前企业网络安全防护技术，进而提出了网络安全防护方案设计与部署，希望能为相关工作提供一定的参考。

With the expansion of the enterprise scale and the expansion of its branches, the enterprise network architecture becomes more complex and faces various security threats. This paper firstly introduces the basic situation of enterprise network environment.Based on the requirement of enterprise information system, the network security protection technologies are introduced,and then the design and deployment of network security protection program is put forward, expecting to provide some reference for related work.