According to the actual circumstance of XingDong mine, the analysis of hidden disaster-causing factors incluing mined-out areas, geological structures, hydrogeological conditions and gas enrichment zones, and assessment of impact on mining are conducted. Moreover, lots of practical comprehensive treatment measures are drawn up by according to the effect degree of different hidden disaster-causing on safety production, which could maximize the elimination effect of hidden disaster-causing factors to mining safety and improve the ability of safety ensurance.