Abstract: In order to further improve the level of intelligent mining technology and equipment,lead the scientific development of intelligent mining technology in the industry,and realize the upgrading and transformation of the coal industry in the new era,combined with the successful practice experience of intelligent unmanned mining of Shaanxi Coal Group Huangling Mining Company,focus on research intelligent mining practice technology of thin coal seam,medium thick coal seam and thick coal seam under complex geological conditions has obtained the key technology of intelligent and unmanned comprehensive mining of medium and thick coal seams.Hydraulic support full working surface with machine automation and remote manual intervention technology,coal mining machine full working surface memory cutting and remote manual intervention technology,comprehensive mining automation centralized control technology,working surface video monitoring technology,intelligent integrated liquid supply control technology and advanced support automatic control technology,and thick coal seam intelligent key technologies of unmanned fully mechanized mining are the intelligent control technology of large mining height working surface,the soft intelligent control technology of large mining height working surface,the high-definition video monitoring technology of large mining height working face and the environmental safety guarantee of large mining height working face; It is concluded that the construction of intelligent unmanned mining support system in coal mine is divided into scientific and technological innovation and informationization.，safety protection technology,enterprise refined management and employee quality improvement project; The research on improving the reliability and adaptability of equipment by improving the overall technological innovation and adaptability,is to continuously promote the intelligentization of coal.The approach of human mining technology is to the advanced stage of intelligent mining.Finally,the paper analyzes the current application status and promotion constraints of intelligent unmanned mining technology at home and abroad,and combines the artificial intelligence and the development direction of the new generation industrial revolution to prospect the coal intelligent mining technology.