At present, in the coal industry, it has gradually become a new management idea to build a multi-functional information platform based on the underground industrial Ethernet, improve the comprehensive dispatching and command ability, realize the dynamic management of underground personnel safety behavior, reduce personnel and increase efficiency, and avoid cross-border mining. However, the actual application effect of most inter regional positioning systems can not meet the management needs of coal mines, especially in disasters The role of emergency response is limited. Through extensive market research, adopting the current advanced, mature and stable technology, following the national standards and industrial standards such as safety, coal, communication, etc., and fully considering the problems and actual needs of users, the company has independently developed