Abstract: Optimizing experimental study of fill mining method was done on Zhaoanzhuang iron ore of He Nan Anyang Iron & Steel Group Wuyang Mining Industry Co., Ltd. The results indicated, exposed gap area of stope reduced remarkably, mining safety was assured further, ore mining rate had improved 10%, fill comprehensive cost reduced obviously, economic benefits of enterprise increased significantly.

Key words: Filling mining, Optimization, Composite mining method