The utility model discloses an elevator intelligence projection advertising device, in it is provided with elevator car, its characterized in that: including the fixed bolster and be used for receiving with projector's body of broadcast advertising?information, but projector's body passes through fixed bolster horizontal rotation installs in elevator car's interior top with adjusting. This product utilizes wireless transmission and intelligent response technique to integrate not changing the elevator in -house facility and not reducing under the prerequisite of elevator security, and it is installed at the elevator car top, can be on the elevator car internal door or the car all the other three broadcast the video advertisement on facing the wall and meditating, the installation is simple and do not take the inside space of not taking of elevator, difficult by passenger direct contact to and damage.