本文论述了信息化对企业的重要性，说明了企业内部网络建设对企业在市场竞争中的重要意义。结合Intranet技术全面分析了煤炭生产企业建设内部网络的利弊，并给出了一个适合矿务局─矿两级模式的Intranet方案，该方案强调低成本、快速的组网策略，方案的主要思想是局矿相对独立，以公用电话网互连。 This article discusses the importance of information to the enterprise, and illustrates the importance of building the internal network of the enterprise in the market competition. Combined with the Intranet technology, this paper analyzes the advantages and disadvantages of coal production enterprises in building an internal network and gives an Intranet solution that is suitable for mine-mine two-level model. The scheme emphasizes low cost and fast networking strategy. The main idea of ​​the solution is Bureau of mine is relatively independent, with public telephone network interconnection.