Abstract: At present,underground mining is being carried out in Yata Gold Mine,whose gold ore body is strictly controlled by structural fracture zone.Because there is no clear boundary between gold ore body and surrounding rock,surrounding rock breakage and other objective factors bring great difficulties to mine safety production.To overcome these difficulties，in the process of mine production,mine geology provides basic data for mine safety production by means of analysis and study of metallogenic law,production prospecting,water exploration and drainage,roadway catalogue and other geological methods,and also plays an important role in optimizing mining design,guiding safe production,and extending the service life of mines.

Key words: mine production,mine geology,metallogenic law,important role