Abstract: Data mine concept and its necessity and signification was introduced.On the basis of analyzing especial requirement of mine enterprise information,4-level whole domain model of data mine construction was put forward.Whole structure of data mine was designed from decision level,management level,data level and equipment level.Whole domain model and key technologies were depicted.Results showed that whole domain model of data mine could cover every aspect including mining,management,operation,resources,environment,safety and profit.It reflected digitization,comprehensive information,practical applicability and maneuverability and could provide reference for digitization and information of mine enterprise.