Automobile tail door opening, rearview imaging and rear license plate lighting integrated device

The invention particularly relates to an automobile tail door opening, rearview imaging and rear license plate lighting integrated device which comprises a shell, an integrated circuit board, a rear-view imaging mechanism, a lens cleaning mechanism, a tail door opening mechanism and a license plate lighting mechanism, and the integrated circuit board is arranged in the shell; the rear-view imaging mechanism comprises a rear-view camera arranged on the shell, and the lens of the rear-view camera faces the rear portion of the automobile; the lens cleaning mechanism comprises a cleaning spray head arranged on the shell, the cleaning spray head comprises a water vapor outlet, a water inlet and an air inlet, the water inlet and the air inlet are communicated with the water vapor outlet, and the water vapor outlet faces the lens of the rear-view camera; the tail door opening mechanism comprises a button, an actuating rod and a microswitch which are arranged in sequence, the button and the actuating rod are both arr