The utility model provides a multi -functional electric cleaning device of robot camera lens, contains the mounting panel, and visible light imaging appearance and infrared imaging appearance are installed respectively to the both sides on mounting panel upper portion, and the one end of mounting panel is equipped with the lens mounting panel that is used for placing the lens of visible light imaging appearance and infrared ray imaging appearance, the position that the lens mounting panel is located the centre of the lens of visible light imaging appearance and infrared ray imaging appearance is equipped with outer brush, the lower part of outer brush is connected with the drive arrangement of setting on the mounting panel through the transmission shaft, drive arrangement comprises motor and control circuit board, and the motor is fixed on control circuit board, and the motor passes through the shaft coupling to be connected with the transmission shaft, and the shaft coupling is equipped with the plectrum, and control circuit board is located the position of shaft coupling both sides is equipped with uses left limit switch and right limit switch with the plectrum cooperation, can control the swing frequency and the amplitude of fluctuation of outer brush, can disturb the size to come the operating condition of the outer brush of adjustment according to the imaging, outer dabber has the multiplexing function of clean raindrop, frost mist, dust.