Abstract: Composition of coal mine enterprise data and dependency relationship are summarized, and the structure and property of coal mine technical data are introduced in detail. The following characteristics and mutual relations of coal mine enterprise data are analyzed: Coal mine enterprise data have strong correlation; Hierarchical quality and geographical space background. Following conclusions are obtained through analysis: foundation work of coal mine information is technical management information; Coal mine information software and geographic information system must seamlessly integrate.

Key words: Coal mine information, Coal mine technical data, Geographic information system