Abstract: Mining enterprises can accumulate a large amount of data in their many years' production and operation, which can be of great reference significance to the enterprises' policy decision.However, the hidden value of the internal information of these data is not exploited if deep mining and on-line analysis of them are not made.Data mining technology is just a power tool for solving such problem.It was introduced into mine prospecting to sort out the data and build data mining system framework model.Its introduction will be sure to play a role in supporting practical policy decision.

Key words: Mine prospecting, Data mining, Policy-decision analysis, System framework model