The research on the height of fractured water-conducting zone has significances in water control, mine optimum design, extracting under water body, gas drainage, and utilization of CBM, stability evaluation of foundation, water evaluation and protection and so on. The research achievements of the range, influencing factors and the main prediction methods of fractured water-conducting zone in recent years are summarized, and the characteristics of the calculation method, simulation method and detection method are compared and analyzed. The advances of the fractured water-conducting zone are fully understood relatively, and the development trends are put forward.