According to the occurrence condition of orebody a Guohua section in Zhijin-Xinhua phosphate mine,through studying,uncovered top panel room-pillar method was selected to mine it.The structural parameters of stope for gently inclined and medium thick orebody were discussed.The stoping sequence,preparatory and cut-off workings,stoping technique and roo management were studied,so as to meet the requirements of safety and high efficiency mining with lower cost of production,also provide technical reference for developing the resources in Zhijin-Xinhua phosphate mine.