Abstract: Big and small stoped out areas were made under the well because of unlicensed mining by native in Dabaoshan Ming Co.Ltd.,it is urgent to exploitation plentiful ore in the north of one of the largest stoped out areas called 576,which comes to millions of steres.So it is very necessary to deal with 576 stoped out area in order to avoid the hidden trouble caused by rock burst and landslide,and the project that waste backfill was putting in practice.This paper studies the stress-strain of rock before the management for 576 stoped out area and analyses the effect to mining near the 576 stoped out area when completing the filling using ANSYS.It is proved that the status of stress and strain was improved when completing filling than what before unfilling,which guarantees the mining near the stoped out areas.