Abstract: We introduce the technical principal of ZMK5200QJY40 type mine-used rescue hoister from the analysis of underground rescue and ground borehole rescue, list the technical parameters of rescue capsule and hoisting control system, and introduce rescue capsule and large rope capacity safe lifting device two parts. Site industrial test on this set of equipment was carried out in Shanxi Jincheng Pingshang Mine. The experiment shows that this set of equipment is suitable for the casing or regular boreholes with the diameter of 580 mm to 620 mm. With the help of the hoister, the miners trapped in underground 900 meters can be rescued quickly and safely.