Abstract: The status of informationization construction of coal enterprises was analyzed, and the application idea of cloud computing technology in coal enterprises was put forward. The cloud data center platform was built by using cloud computing technology from two aspects of constructing new and using old, and new and old information resources were integrated through construction of physical resources, virtual software resources, resource service scheduling mechanism, so as to realize data sharing and interaction on data layer, transfer and support each other on resources layer, and it excavates the value of huge amounts of data of enterprises.