Abstract:In view of the mining planning and hydrogeological status of a mine in the southern Ordos Basin, a comprehensive analysis of the hydrogeological problems faced in coal production was carried out, especially for the problems of large mine water inflow, high salinity, unclear development height of water-conducting fissure zone, short distance between coal seam and main aquifer, and no supplementary exploration of mine hydrogeology. It was clearly proposed that the supplementary exploration of mine hydrogeology should be regarded as an exploration stage, mainly serving the mine production. At the same time, the key work of hydrogeological supplementary exploration in the southern Ordos Basin was put forward, and the exploration work was deployed, which provided new ideas for the supplementary exploration of mine hydrogeology.