A live-line ice and snow removal device of power equipment comprises a control box, wherein a control box main power supply, a heater hierarchical control system, a frequency converter control unit and a frequency conversion fan are arranged in the control box, the control box main power supply is connected with the heater hierarchical control unit and the frequency converter control unit, the frequency converter unit is connected with the frequency conversion fan, an air outlet of the frequency conversion fan is connected with one end of an insulation hose, the other end of the insulation hose penetrates through the control box and is connected with one end of an insulation pipe, a spraying head is arranged at the other end of the insulation pipe, an electrical heating device is arrangedin the insulation pipe, and the heater hierarchical control unit is connected with the electrical heating device. By the live-line ice and snow removal device, accumulated snow can be conveniently removed, the numbers of heaters which are input can be selected according to a condition, the frequency converter control unit is adjusted to control an air speed of the frequency conversion fan according to equipment and accumulated ice conditions, so that the accumulated ice is conveniently removed. The live-line ice and snow removal device is high in safety and has extremely high convenience on the power equipment, a tool is convenient to carry and assemble, and no secondary pollution on surrounding equipment is generated.