The utility model discloses an electric window wiper for locomotives and high speed trains. The electric window wiper comprises a window wiper, a driving mechanism and a controller, wherein the window wiper is fixedly arranged on a vehicle body at the lower side of a front windshield, and is connected with an output shaft of the driving mechanism; the controller is used for controlling the window wiper to reset and do an intermittent motion at a high speed and a low speed through the driving mechanism. According to the electric window wiper for the locomotives and the high speed trains provided by the utility model, the window wiper is fixedly arranged on the vehicle body at the lower side of the front windshield, and a motor is used as a power source to drive the window wiper to move; meanwhile, the controller is used for controlling the window wiper to reset and do the intermittent motion at the high speed and the low speed. The electric window wiper provided by the utility model takes the power source as a power supply. The voltage and current fluctuations are small, so that the wiping frequency of the window wiper is stable. Furthermore, with the adoption of the electric power supply, the whole electric window wiper provided by the utility model has the advantages of small size, simple structure, low cost and convenience in maintenance; the cost and the mounting space can be effectively saved.