Elevator advertisement putting equipment

The utility model provides an elevator advertisement putting device which comprises a microprocessor, a projector, a loudspeaker and a detection module, the projector, the loudspeaker and the detection module are respectively connected with the microprocessor, the microprocessor is used for signal processing and control, the projector is used for image putting, and the detection module is used fordetecting whether the projector is connected with the loudspeaker or not. The loudspeaker is used for playing sound; the detection module is used for detecting whether an elevator door is opened or not; the projector is fixedly arranged at the top of the elevator or above the side wall opposite to the elevator door, and the lens direction of the projector inclines downwards to face the elevator door. The projector is fixedly arranged in the elevator, and the closed elevator door is used for displaying videos or images, so that the optimal media putting position of the elevator door is used, passengers can receive adv