The invention discloses a pumped storage power station geological disaster early-warning system. The system comprises a displacement measure point, a rainfall measure point, a water level measure point, a wireless transmission module, a water and rainfall information collection module, a deformation monitoring module, and a geological disaster early-warning module. On the basis of monitoring the water level, the rainfall and the displacement in a pumped storage power station factory, the data transmission is realized through a wireless transmission way, the possible landslide, debris flow andlike geological disasters in the pumped storage power station are real-time monitored and early-warned by comprehensively analyzing the collected data, and the safety production of the pumped storagepower station can be guaranteed.