文章通过分析当前企业在网络管理及信息保护方面的现状和存在的问题,进行了企业网络信息保护系统的层次结构分析和系统设计。提出要在实现内网的安全管理的基础上.结合用户身份认证技术和数据加密技术来保护企业网络信息系统中的数据安全,防止企业机密信息泄漏或被盗窃。 By analyzing the current situation and existing problems of network management and information protection in enterprises, the article analyzes the hierarchical structure and system design of enterprise network information protection system. Based on the realization of the internal network security management, this paper proposes to protect the data security in the enterprise network information system by combining user authentication technology and data encryption technology to prevent the leakage or theft of confidential enterprise information.