Waterproof automobile window lifting switch

The utility model discloses a waterproof automobile window lifting switch. The waterproof automobile window lifting switch comprises a base and a housing connected with the base. The housing is internally provided with a soft button and a circuit board. The bottom of the soft button is provided with a conductive contact cooperating with the circuit board. A piston for pressing down the soft button is arranged above the soft button in a sliding mode. The housing is rotationally provided with a button driving the piston to vertical slide. The peripheral edge of the soft button extends downwards to form a waterproof rib. The circuit board and the top of the base are disposed in the space enclosed by the waterproof rib. A gap is arranged between the soft keyboard and the housing. A gap is arranged between the circuit board and the base. The bottom of the base is provided with a water guiding channel. According to the utility model, the waterproofing problem of a conventional switch is effectively improved, and the problem of function failure caused to the switch by corrosion of the circuit board is solved.