Two main mining roadway passed through the original 2106 goaf underneath of Baoli Yufeng Mine, the vertical distance between roadway and goaf was 13～27 m. in order to ensure the two roadway mining safety and prevent water inrush accident, special discharging water plan was settled, which successfully discharged 2106 goaf water and ensured the mining safety of roadway, accumulated the roadway crossing old goaf safely experience, and provide scientific basis for prevent and control of similar flood hazard .