In order to meet the needs for the automation of modern mining production, the optimal control and decision theory of conventional mining system are developing towards intelligence. On the basis of analyzing the structure of modernizational mining system and its decision,control and communication techniques the authors point out the necessity for artificial intelligent technique to introduce into mining system ,describe the intelligent decision support system in the mining system, including the basic structures and features of intelligent control system ,and look forward to prospects of developing the intelligent mining system.