The utility model discloses an unattended substation flood prevention automatic drainage remote control device, including power monitoring arrangement, power monitoring arrangement passes through the motor -operted switch and links to each other with the water pump, control pump work, the motor -operted switch still links to each other with two switching of power devices, two way powers that two switching of power devices will be inputed switch, output is power to electrically -operated circuit breaker all the way, power monitoring arrangement still links to each other with communication management machine, the water pump information transmission that will monitor is for communication management machine, dispatch Center is given with the information transmission who receives to communication management machine, dispatch Center's control information is received to the management of communication simultaneously machine, and transmit control information for power monitoring arrangement, communication management machine still links to each other with the water level detector, receives the water level signal that the transmission of water level detector comes. The utility model discloses a device can long -rangely let the control personnel understand transformer substation's water level, reaches the monitor on in time gathering running situation of the equipment, guarantees the electrical equipment safe operation.