Message transmitting method and device

The embodiment of the invention discloses a message transmitting method and device. The method specifically comprises the steps of responding to a received target floor message transmitted by a user through an operation panel in an elevator car and obtaining a video of the interior of the elevator car; identifying the obtained video and determining a target human body from the obtained video according to the identification result; responding to the predication that the elevator car arrives at a target floor after a first preset duration time and determining whether the duration time of the target human body watching a floor display screen in the elevator car exceeds the second preset duration time or not according to the obtained video; responding to determining that the duration time of the target human body watching the floor display screen does not exceed the second preset duration time, determining that the elevator car arrives at the target floor and then an elevator door is opened and determining whethe