The utility model discloses a water -storage uses mouse trapping device in power station, the device body and the control system that are right trapezoid including the cross -section, the device bodyis including the mouse way of buckling, the mouse is said and includes to incline district and induction zone, the corresponding formation triangular prism cavity in below and the rectangular cavity of slope district and induction zone, the nestification has the squirrel cage in the rectangular cavity, be provided with the steering wheel on the lateral wall of triangular prism cavity, action wheelof being connected with the steering wheel rotor and the meshing of the driven gear of baffle one end, the baffle sets up on the bottom plate that inclines to distinguish is said to the mouse, the mouse says that the central authorities of induction zone bottom plate form the through -hole, are provided with the rotor plate in the through -hole, be equipped with supersonic generator and smell generator on the terminal lateral wall of mouse way induction zone, be equipped with infrared sensor on the mouse way induction zone roof. The utility model relates to a simply, convenient to use, it iseffectual to kill rats, the fully provided user's needs, wide application prospect has.